Home / 320,350.28-442,092.62-177,119.57

Finding the Fourth Proportional to 320,350.28, 442,092.62 and 177,119.57

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Solution

The fourth proportional to 320,350.28, 442,092.62 and 177,119.57 is: 244,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,350.28 : 442,092.62 = 177,119.57 : x
  2. Step 2: Convert to fraction form
    320,350.28/442,092.62 = 177,119.57/x
  3. Step 3: Cross multiply
    320,350.28x = 442,092.62 × 177,119.57
  4. Step 4: Simplify right side
    320,350.28x = 78,303,253,868.98
  5. Step 5: Solve for x
    x = 78,303,253,868.98/320,350.28
  6. Step 6: Final answer
    x = 244,430.11

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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.