Home / 247,639.66-371,516.22-89,868.13

Finding the Fourth Proportional to 247,639.66, 371,516.22 and 89,868.13

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Solution

The fourth proportional to 247,639.66, 371,516.22 and 89,868.13 is: 134,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,639.66 : 371,516.22 = 89,868.13 : x
  2. Step 2: Convert to fraction form
    247,639.66/371,516.22 = 89,868.13/x
  3. Step 3: Cross multiply
    247,639.66x = 371,516.22 × 89,868.13
  4. Step 4: Simplify right side
    247,639.66x = 33,387,467,027.28
  5. Step 5: Solve for x
    x = 33,387,467,027.28/247,639.66
  6. Step 6: Final answer
    x = 134,822.78

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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.