Home / 247,593.18-371,443.11-76,811.46

Finding the Fourth Proportional to 247,593.18, 371,443.11 and 76,811.46

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Solution

The fourth proportional to 247,593.18, 371,443.11 and 76,811.46 is: 115,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,593.18 : 371,443.11 = 76,811.46 : x
  2. Step 2: Convert to fraction form
    247,593.18/371,443.11 = 76,811.46/x
  3. Step 3: Cross multiply
    247,593.18x = 371,443.11 × 76,811.46
  4. Step 4: Simplify right side
    247,593.18x = 28,531,087,586.04
  5. Step 5: Solve for x
    x = 28,531,087,586.04/247,593.18
  6. Step 6: Final answer
    x = 115,233.74

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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.