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Finding the Fourth Proportional to 239,704.88, 330,792.48 and 132,274.88

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Solution

The fourth proportional to 239,704.88, 330,792.48 and 132,274.88 is: 182,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,704.88 : 330,792.48 = 132,274.88 : x
  2. Step 2: Convert to fraction form
    239,704.88/330,792.48 = 132,274.88/x
  3. Step 3: Cross multiply
    239,704.88x = 330,792.48 × 132,274.88
  4. Step 4: Simplify right side
    239,704.88x = 43,755,535,596.90
  5. Step 5: Solve for x
    x = 43,755,535,596.90/239,704.88
  6. Step 6: Final answer
    x = 182,539.19

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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.