Home / 266,204.48-399,325.86-83,819.60

Finding the Fourth Proportional to 266,204.48, 399,325.86 and 83,819.60

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Solution

The fourth proportional to 266,204.48, 399,325.86 and 83,819.60 is: 125,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,204.48 : 399,325.86 = 83,819.60 : x
  2. Step 2: Convert to fraction form
    266,204.48/399,325.86 = 83,819.60/x
  3. Step 3: Cross multiply
    266,204.48x = 399,325.86 × 83,819.60
  4. Step 4: Simplify right side
    266,204.48x = 33,471,333,854.86
  5. Step 5: Solve for x
    x = 33,471,333,854.86/266,204.48
  6. Step 6: Final answer
    x = 125,735.43

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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.