Home / 320,613.80-442,454.10-177,384.02

Finding the Fourth Proportional to 320,613.80, 442,454.10 and 177,384.02

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Solution

The fourth proportional to 320,613.80, 442,454.10 and 177,384.02 is: 244,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,613.80 : 442,454.10 = 177,384.02 : x
  2. Step 2: Convert to fraction form
    320,613.80/442,454.10 = 177,384.02/x
  3. Step 3: Cross multiply
    320,613.80x = 442,454.10 × 177,384.02
  4. Step 4: Simplify right side
    320,613.80x = 78,484,286,923.48
  5. Step 5: Solve for x
    x = 78,484,286,923.48/320,613.80
  6. Step 6: Final answer
    x = 244,793.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.