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Finding the Fourth Proportional to 247,158.47, 370,488.42 and 97,340.87

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Solution

The fourth proportional to 247,158.47, 370,488.42 and 97,340.87 is: 145,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,158.47 : 370,488.42 = 97,340.87 : x
  2. Step 2: Convert to fraction form
    247,158.47/370,488.42 = 97,340.87/x
  3. Step 3: Cross multiply
    247,158.47x = 370,488.42 × 97,340.87
  4. Step 4: Simplify right side
    247,158.47x = 36,063,663,275.28
  5. Step 5: Solve for x
    x = 36,063,663,275.28/247,158.47
  6. Step 6: Final answer
    x = 145,913.12

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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.