Home / 247,747.29-371,645.54-79,225.28

Finding the Fourth Proportional to 247,747.29, 371,645.54 and 79,225.28

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Solution

The fourth proportional to 247,747.29, 371,645.54 and 79,225.28 is: 118,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,747.29 : 371,645.54 = 79,225.28 : x
  2. Step 2: Convert to fraction form
    247,747.29/371,645.54 = 79,225.28/x
  3. Step 3: Cross multiply
    247,747.29x = 371,645.54 × 79,225.28
  4. Step 4: Simplify right side
    247,747.29x = 29,443,719,712.90
  5. Step 5: Solve for x
    x = 29,443,719,712.90/247,747.29
  6. Step 6: Final answer
    x = 118,845.78

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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.