Home / 742,455.60-1,113,683.40-181,490.10

Finding the Fourth Proportional to 742,455.60, 1,113,683.40 and 181,490.10

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Solution

The fourth proportional to 742,455.60, 1,113,683.40 and 181,490.10 is: 272,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,455.60 : 1,113,683.40 = 181,490.10 : x
  2. Step 2: Convert to fraction form
    742,455.60/1,113,683.40 = 181,490.10/x
  3. Step 3: Cross multiply
    742,455.60x = 1,113,683.40 × 181,490.10
  4. Step 4: Simplify right side
    742,455.60x = 202,122,511,634.34
  5. Step 5: Solve for x
    x = 202,122,511,634.34/742,455.60
  6. Step 6: Final answer
    x = 272,235.15

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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.