Home / 324,778.48-487,110.24-88,139.58

Finding the Fourth Proportional to 324,778.48, 487,110.24 and 88,139.58

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Solution

The fourth proportional to 324,778.48, 487,110.24 and 88,139.58 is: 132,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,778.48 : 487,110.24 = 88,139.58 : x
  2. Step 2: Convert to fraction form
    324,778.48/487,110.24 = 88,139.58/x
  3. Step 3: Cross multiply
    324,778.48x = 487,110.24 × 88,139.58
  4. Step 4: Simplify right side
    324,778.48x = 42,933,691,967.30
  5. Step 5: Solve for x
    x = 42,933,691,967.30/324,778.48
  6. Step 6: Final answer
    x = 132,193.77

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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.