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Finding the Fourth Proportional to 239,355.27, 330,625.80 and 178,820.73

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Solution

The fourth proportional to 239,355.27, 330,625.80 and 178,820.73 is: 247,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,355.27 : 330,625.80 = 178,820.73 : x
  2. Step 2: Convert to fraction form
    239,355.27/330,625.80 = 178,820.73/x
  3. Step 3: Cross multiply
    239,355.27x = 330,625.80 × 178,820.73
  4. Step 4: Simplify right side
    239,355.27x = 59,122,746,912.83
  5. Step 5: Solve for x
    x = 59,122,746,912.83/239,355.27
  6. Step 6: Final answer
    x = 247,008.34

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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.