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Finding the Fourth Proportional to 247,147.28, 370,717.45 and 97,388.87

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Solution

The fourth proportional to 247,147.28, 370,717.45 and 97,388.87 is: 146,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,147.28 : 370,717.45 = 97,388.87 : x
  2. Step 2: Convert to fraction form
    247,147.28/370,717.45 = 97,388.87/x
  3. Step 3: Cross multiply
    247,147.28x = 370,717.45 × 97,388.87
  4. Step 4: Simplify right side
    247,147.28x = 36,103,751,204.25
  5. Step 5: Solve for x
    x = 36,103,751,204.25/247,147.28
  6. Step 6: Final answer
    x = 146,081.93

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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.