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Finding the Fourth Proportional to 488,788.10, 732,854.10 and 236,189.60

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Solution

The fourth proportional to 488,788.10, 732,854.10 and 236,189.60 is: 354,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,788.10 : 732,854.10 = 236,189.60 : x
  2. Step 2: Convert to fraction form
    488,788.10/732,854.10 = 236,189.60/x
  3. Step 3: Cross multiply
    488,788.10x = 732,854.10 × 236,189.60
  4. Step 4: Simplify right side
    488,788.10x = 173,092,516,737.36
  5. Step 5: Solve for x
    x = 173,092,516,737.36/488,788.10
  6. Step 6: Final answer
    x = 354,125.88

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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.