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Finding the Fourth Proportional to 331,354.60, 497,031.90 and 231,627.40

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Solution

The fourth proportional to 331,354.60, 497,031.90 and 231,627.40 is: 347,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,354.60 : 497,031.90 = 231,627.40 : x
  2. Step 2: Convert to fraction form
    331,354.60/497,031.90 = 231,627.40/x
  3. Step 3: Cross multiply
    331,354.60x = 497,031.90 × 231,627.40
  4. Step 4: Simplify right side
    331,354.60x = 115,126,206,714.06
  5. Step 5: Solve for x
    x = 115,126,206,714.06/331,354.60
  6. Step 6: Final answer
    x = 347,441.10

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1.5x scale

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.