Home / 437,435.38-656,090.76-137,877.02

Finding the Fourth Proportional to 437,435.38, 656,090.76 and 137,877.02

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Solution

The fourth proportional to 437,435.38, 656,090.76 and 137,877.02 is: 206,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,435.38 : 656,090.76 = 137,877.02 : x
  2. Step 2: Convert to fraction form
    437,435.38/656,090.76 = 137,877.02/x
  3. Step 3: Cross multiply
    437,435.38x = 656,090.76 × 137,877.02
  4. Step 4: Simplify right side
    437,435.38x = 90,459,835,557.88
  5. Step 5: Solve for x
    x = 90,459,835,557.88/437,435.38
  6. Step 6: Final answer
    x = 206,795.88

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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.