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Finding the Fourth Proportional to 239,657.94, 330,737.96 and 132,234.93

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Solution

The fourth proportional to 239,657.94, 330,737.96 and 132,234.93 is: 182,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,657.94 : 330,737.96 = 132,234.93 : x
  2. Step 2: Convert to fraction form
    239,657.94/330,737.96 = 132,234.93/x
  3. Step 3: Cross multiply
    239,657.94x = 330,737.96 × 132,234.93
  4. Step 4: Simplify right side
    239,657.94x = 43,735,110,947.62
  5. Step 5: Solve for x
    x = 43,735,110,947.62/239,657.94
  6. Step 6: Final answer
    x = 182,489.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.