Home / 272,463.14-408,753.54-82,938.33

Finding the Fourth Proportional to 272,463.14, 408,753.54 and 82,938.33

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Solution

The fourth proportional to 272,463.14, 408,753.54 and 82,938.33 is: 124,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,463.14 : 408,753.54 = 82,938.33 : x
  2. Step 2: Convert to fraction form
    272,463.14/408,753.54 = 82,938.33/x
  3. Step 3: Cross multiply
    272,463.14x = 408,753.54 × 82,938.33
  4. Step 4: Simplify right side
    272,463.14x = 33,901,335,989.19
  5. Step 5: Solve for x
    x = 33,901,335,989.19/272,463.14
  6. Step 6: Final answer
    x = 124,425.40

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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.