Home / 439,203.60-658,834.20-123,670.80

Finding the Fourth Proportional to 439,203.60, 658,834.20 and 123,670.80

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Solution

The fourth proportional to 439,203.60, 658,834.20 and 123,670.80 is: 185,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,203.60 : 658,834.20 = 123,670.80 : x
  2. Step 2: Convert to fraction form
    439,203.60/658,834.20 = 123,670.80/x
  3. Step 3: Cross multiply
    439,203.60x = 658,834.20 × 123,670.80
  4. Step 4: Simplify right side
    439,203.60x = 81,478,552,581.36
  5. Step 5: Solve for x
    x = 81,478,552,581.36/439,203.60
  6. Step 6: Final answer
    x = 185,514.31

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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.