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Finding the Fourth Proportional to 431,481.22, 595,446.84 and 240,506.71

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Solution

The fourth proportional to 431,481.22, 595,446.84 and 240,506.71 is: 331,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,481.22 : 595,446.84 = 240,506.71 : x
  2. Step 2: Convert to fraction form
    431,481.22/595,446.84 = 240,506.71/x
  3. Step 3: Cross multiply
    431,481.22x = 595,446.84 × 240,506.71
  4. Step 4: Simplify right side
    431,481.22x = 143,208,960,468.30
  5. Step 5: Solve for x
    x = 143,208,960,468.30/431,481.22
  6. Step 6: Final answer
    x = 331,900.80

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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.