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Finding the Fourth Proportional to 239,901.12, 359,976.26 and 97,850.61

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Solution

The fourth proportional to 239,901.12, 359,976.26 and 97,850.61 is: 146,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,901.12 : 359,976.26 = 97,850.61 : x
  2. Step 2: Convert to fraction form
    239,901.12/359,976.26 = 97,850.61/x
  3. Step 3: Cross multiply
    239,901.12x = 359,976.26 × 97,850.61
  4. Step 4: Simplify right side
    239,901.12x = 35,223,896,626.52
  5. Step 5: Solve for x
    x = 35,223,896,626.52/239,901.12
  6. Step 6: Final answer
    x = 146,826.73

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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.