Home / 320,535.20-442,308.89-177,292.16

Finding the Fourth Proportional to 320,535.20, 442,308.89 and 177,292.16

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Solution

The fourth proportional to 320,535.20, 442,308.89 and 177,292.16 is: 244,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,535.20 : 442,308.89 = 177,292.16 : x
  2. Step 2: Convert to fraction form
    320,535.20/442,308.89 = 177,292.16/x
  3. Step 3: Cross multiply
    320,535.20x = 442,308.89 × 177,292.16
  4. Step 4: Simplify right side
    320,535.20x = 78,417,895,397.30
  5. Step 5: Solve for x
    x = 78,417,895,397.30/320,535.20
  6. Step 6: Final answer
    x = 244,646.76

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1.5x scale

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.