Home / 303,734.20-455,613.78-104,191.78

Finding the Fourth Proportional to 303,734.20, 455,613.78 and 104,191.78

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Solution

The fourth proportional to 303,734.20, 455,613.78 and 104,191.78 is: 156,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,734.20 : 455,613.78 = 104,191.78 : x
  2. Step 2: Convert to fraction form
    303,734.20/455,613.78 = 104,191.78/x
  3. Step 3: Cross multiply
    303,734.20x = 455,613.78 × 104,191.78
  4. Step 4: Simplify right side
    303,734.20x = 47,471,210,730.73
  5. Step 5: Solve for x
    x = 47,471,210,730.73/303,734.20
  6. Step 6: Final answer
    x = 156,291.95

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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.