Home / 742,001.70-1,113,002.55-181,036.20

Finding the Fourth Proportional to 742,001.70, 1,113,002.55 and 181,036.20

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Solution

The fourth proportional to 742,001.70, 1,113,002.55 and 181,036.20 is: 271,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,001.70 : 1,113,002.55 = 181,036.20 : x
  2. Step 2: Convert to fraction form
    742,001.70/1,113,002.55 = 181,036.20/x
  3. Step 3: Cross multiply
    742,001.70x = 1,113,002.55 × 181,036.20
  4. Step 4: Simplify right side
    742,001.70x = 201,493,752,242.31
  5. Step 5: Solve for x
    x = 201,493,752,242.31/742,001.70
  6. Step 6: Final answer
    x = 271,554.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.