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Finding the Fourth Proportional to 247,896.43, 371,585.14 and 103,884.71

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Solution

The fourth proportional to 247,896.43, 371,585.14 and 103,884.71 is: 155,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896.43 : 371,585.14 = 103,884.71 : x
  2. Step 2: Convert to fraction form
    247,896.43/371,585.14 = 103,884.71/x
  3. Step 3: Cross multiply
    247,896.43x = 371,585.14 × 103,884.71
  4. Step 4: Simplify right side
    247,896.43x = 38,602,012,391.57
  5. Step 5: Solve for x
    x = 38,602,012,391.57/247,896.43
  6. Step 6: Final answer
    x = 155,718.31

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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.