Home / 247,442.43-371,089.60-129,049.19

Finding the Fourth Proportional to 247,442.43, 371,089.60 and 129,049.19

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Solution

The fourth proportional to 247,442.43, 371,089.60 and 129,049.19 is: 193,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,442.43 : 371,089.60 = 129,049.19 : x
  2. Step 2: Convert to fraction form
    247,442.43/371,089.60 = 129,049.19/x
  3. Step 3: Cross multiply
    247,442.43x = 371,089.60 × 129,049.19
  4. Step 4: Simplify right side
    247,442.43x = 47,888,812,297.42
  5. Step 5: Solve for x
    x = 47,888,812,297.42/247,442.43
  6. Step 6: Final answer
    x = 193,535.17

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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.