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Finding the Fourth Proportional to 331,349.40, 497,024.10 and 286,248.60

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Solution

The fourth proportional to 331,349.40, 497,024.10 and 286,248.60 is: 429,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,349.40 : 497,024.10 = 286,248.60 : x
  2. Step 2: Convert to fraction form
    331,349.40/497,024.10 = 286,248.60/x
  3. Step 3: Cross multiply
    331,349.40x = 497,024.10 × 286,248.60
  4. Step 4: Simplify right side
    331,349.40x = 142,272,452,791.26
  5. Step 5: Solve for x
    x = 142,272,452,791.26/331,349.40
  6. Step 6: Final answer
    x = 429,372.90

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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.