Home / 410,514.95-615,949.82-220,753.52

Finding the Fourth Proportional to 410,514.95, 615,949.82 and 220,753.52

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Solution

The fourth proportional to 410,514.95, 615,949.82 and 220,753.52 is: 331,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,514.95 : 615,949.82 = 220,753.52 : x
  2. Step 2: Convert to fraction form
    410,514.95/615,949.82 = 220,753.52/x
  3. Step 3: Cross multiply
    410,514.95x = 615,949.82 × 220,753.52
  4. Step 4: Simplify right side
    410,514.95x = 135,973,086,724.85
  5. Step 5: Solve for x
    x = 135,973,086,724.85/410,514.95
  6. Step 6: Final answer
    x = 331,225.67

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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.