Home / 247,711.17-371,471.68-105,466.26

Finding the Fourth Proportional to 247,711.17, 371,471.68 and 105,466.26

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Solution

The fourth proportional to 247,711.17, 371,471.68 and 105,466.26 is: 158,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.17 : 371,471.68 = 105,466.26 : x
  2. Step 2: Convert to fraction form
    247,711.17/371,471.68 = 105,466.26/x
  3. Step 3: Cross multiply
    247,711.17x = 371,471.68 × 105,466.26
  4. Step 4: Simplify right side
    247,711.17x = 39,177,728,785.52
  5. Step 5: Solve for x
    x = 39,177,728,785.52/247,711.17
  6. Step 6: Final answer
    x = 158,158.91

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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.