Home / 438,377.28-657,553.76-118,560.16

Finding the Fourth Proportional to 438,377.28, 657,553.76 and 118,560.16

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Solution

The fourth proportional to 438,377.28, 657,553.76 and 118,560.16 is: 177,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,377.28 : 657,553.76 = 118,560.16 : x
  2. Step 2: Convert to fraction form
    438,377.28/657,553.76 = 118,560.16/x
  3. Step 3: Cross multiply
    438,377.28x = 657,553.76 × 118,560.16
  4. Step 4: Simplify right side
    438,377.28x = 77,959,678,994.20
  5. Step 5: Solve for x
    x = 77,959,678,994.20/438,377.28
  6. Step 6: Final answer
    x = 177,836.95

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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.