Home / 297,930.15-446,296.86-137,781.60

Finding the Fourth Proportional to 297,930.15, 446,296.86 and 137,781.60

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Solution

The fourth proportional to 297,930.15, 446,296.86 and 137,781.60 is: 206,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,930.15 : 446,296.86 = 137,781.60 : x
  2. Step 2: Convert to fraction form
    297,930.15/446,296.86 = 137,781.60/x
  3. Step 3: Cross multiply
    297,930.15x = 446,296.86 × 137,781.60
  4. Step 4: Simplify right side
    297,930.15x = 61,491,495,445.78
  5. Step 5: Solve for x
    x = 61,491,495,445.78/297,930.15
  6. Step 6: Final answer
    x = 206,395.68

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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.