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Finding the Fourth Proportional to 247,149.28, 370,720.44 and 97,390.87

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Solution

The fourth proportional to 247,149.28, 370,720.44 and 97,390.87 is: 146,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,149.28 : 370,720.44 = 97,390.87 : x
  2. Step 2: Convert to fraction form
    247,149.28/370,720.44 = 97,390.87/x
  3. Step 3: Cross multiply
    247,149.28x = 370,720.44 × 97,390.87
  4. Step 4: Simplify right side
    247,149.28x = 36,104,786,178.38
  5. Step 5: Solve for x
    x = 36,104,786,178.38/247,149.28
  6. Step 6: Final answer
    x = 146,084.93

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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.