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Finding the Fourth Proportional to 443,291.08, 611,765.32 and 252,366

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Solution

The fourth proportional to 443,291.08, 611,765.32 and 252,366 is: 348,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,291.08 : 611,765.32 = 252,366 : x
  2. Step 2: Convert to fraction form
    443,291.08/611,765.32 = 252,366/x
  3. Step 3: Cross multiply
    443,291.08x = 611,765.32 × 252,366
  4. Step 4: Simplify right side
    443,291.08x = 154,388,766,747.12
  5. Step 5: Solve for x
    x = 154,388,766,747.12/443,291.08
  6. Step 6: Final answer
    x = 348,278.53

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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.