Home / 438,020.10-656,576.55-237,917.70

Finding the Fourth Proportional to 438,020.10, 656,576.55 and 237,917.70

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Solution

The fourth proportional to 438,020.10, 656,576.55 and 237,917.70 is: 356,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,020.10 : 656,576.55 = 237,917.70 : x
  2. Step 2: Convert to fraction form
    438,020.10/656,576.55 = 237,917.70/x
  3. Step 3: Cross multiply
    438,020.10x = 656,576.55 × 237,917.70
  4. Step 4: Simplify right side
    438,020.10x = 156,211,182,649.94
  5. Step 5: Solve for x
    x = 156,211,182,649.94/438,020.10
  6. Step 6: Final answer
    x = 356,630.17

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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.