Home / 320,320.62-442,008.63-177,057.54

Finding the Fourth Proportional to 320,320.62, 442,008.63 and 177,057.54

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Solution

The fourth proportional to 320,320.62, 442,008.63 and 177,057.54 is: 244,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,320.62 : 442,008.63 = 177,057.54 : x
  2. Step 2: Convert to fraction form
    320,320.62/442,008.63 = 177,057.54/x
  3. Step 3: Cross multiply
    320,320.62x = 442,008.63 × 177,057.54
  4. Step 4: Simplify right side
    320,320.62x = 78,260,960,686.57
  5. Step 5: Solve for x
    x = 78,260,960,686.57/320,320.62
  6. Step 6: Final answer
    x = 244,320.71

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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.