Home / 372,917.01-559,863.35-221,390.72

Finding the Fourth Proportional to 372,917.01, 559,863.35 and 221,390.72

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Solution

The fourth proportional to 372,917.01, 559,863.35 and 221,390.72 is: 332,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,917.01 : 559,863.35 = 221,390.72 : x
  2. Step 2: Convert to fraction form
    372,917.01/559,863.35 = 221,390.72/x
  3. Step 3: Cross multiply
    372,917.01x = 559,863.35 × 221,390.72
  4. Step 4: Simplify right side
    372,917.01x = 123,948,550,158.11
  5. Step 5: Solve for x
    x = 123,948,550,158.11/372,917.01
  6. Step 6: Final answer
    x = 332,375.69

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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.