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Finding the Fourth Proportional to 239,703.28, 330,791.48 and 132,276.40

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Solution

The fourth proportional to 239,703.28, 330,791.48 and 132,276.40 is: 182,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,703.28 : 330,791.48 = 132,276.40 : x
  2. Step 2: Convert to fraction form
    239,703.28/330,791.48 = 132,276.40/x
  3. Step 3: Cross multiply
    239,703.28x = 330,791.48 × 132,276.40
  4. Step 4: Simplify right side
    239,703.28x = 43,755,906,125.07
  5. Step 5: Solve for x
    x = 43,755,906,125.07/239,703.28
  6. Step 6: Final answer
    x = 182,541.96

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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.