Home / 261,627.20-392,370.54-72,042.44

Finding the Fourth Proportional to 261,627.20, 392,370.54 and 72,042.44

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Solution

The fourth proportional to 261,627.20, 392,370.54 and 72,042.44 is: 108,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,627.20 : 392,370.54 = 72,042.44 : x
  2. Step 2: Convert to fraction form
    261,627.20/392,370.54 = 72,042.44/x
  3. Step 3: Cross multiply
    261,627.20x = 392,370.54 × 72,042.44
  4. Step 4: Simplify right side
    261,627.20x = 28,267,330,463.80
  5. Step 5: Solve for x
    x = 28,267,330,463.80/261,627.20
  6. Step 6: Final answer
    x = 108,044.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.