Home / 225,152.87-338,115.67-199,909.42

Finding the Fourth Proportional to 225,152.87, 338,115.67 and 199,909.42

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Solution

The fourth proportional to 225,152.87, 338,115.67 and 199,909.42 is: 300,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,152.87 : 338,115.67 = 199,909.42 : x
  2. Step 2: Convert to fraction form
    225,152.87/338,115.67 = 199,909.42/x
  3. Step 3: Cross multiply
    225,152.87x = 338,115.67 × 199,909.42
  4. Step 4: Simplify right side
    225,152.87x = 67,592,506,137.55
  5. Step 5: Solve for x
    x = 67,592,506,137.55/225,152.87
  6. Step 6: Final answer
    x = 300,207.18

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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.