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Finding the Fourth Proportional to 239,470.95, 330,472.22 and 132,044.79

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Solution

The fourth proportional to 239,470.95, 330,472.22 and 132,044.79 is: 182,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,470.95 : 330,472.22 = 132,044.79 : x
  2. Step 2: Convert to fraction form
    239,470.95/330,472.22 = 132,044.79/x
  3. Step 3: Cross multiply
    239,470.95x = 330,472.22 × 132,044.79
  4. Step 4: Simplify right side
    239,470.95x = 43,637,134,230.51
  5. Step 5: Solve for x
    x = 43,637,134,230.51/239,470.95
  6. Step 6: Final answer
    x = 182,223.08

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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.