Home / 742,000.20-1,113,000.30-181,034.70

Finding the Fourth Proportional to 742,000.20, 1,113,000.30 and 181,034.70

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Solution

The fourth proportional to 742,000.20, 1,113,000.30 and 181,034.70 is: 271,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,000.20 : 1,113,000.30 = 181,034.70 : x
  2. Step 2: Convert to fraction form
    742,000.20/1,113,000.30 = 181,034.70/x
  3. Step 3: Cross multiply
    742,000.20x = 1,113,000.30 × 181,034.70
  4. Step 4: Simplify right side
    742,000.20x = 201,491,675,410.41
  5. Step 5: Solve for x
    x = 201,491,675,410.41/742,000.20
  6. Step 6: Final answer
    x = 271,552.05

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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.