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Finding the Fourth Proportional to 443,149.92, 611,539.07 and 252,159.21

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Solution

The fourth proportional to 443,149.92, 611,539.07 and 252,159.21 is: 347,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,149.92 : 611,539.07 = 252,159.21 : x
  2. Step 2: Convert to fraction form
    443,149.92/611,539.07 = 252,159.21/x
  3. Step 3: Cross multiply
    443,149.92x = 611,539.07 × 252,159.21
  4. Step 4: Simplify right side
    443,149.92x = 154,205,207,514.54
  5. Step 5: Solve for x
    x = 154,205,207,514.54/443,149.92
  6. Step 6: Final answer
    x = 347,975.26

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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.