Home / 320,423.29-442,189.07-177,180.73

Finding the Fourth Proportional to 320,423.29, 442,189.07 and 177,180.73

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Solution

The fourth proportional to 320,423.29, 442,189.07 and 177,180.73 is: 244,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,423.29 : 442,189.07 = 177,180.73 : x
  2. Step 2: Convert to fraction form
    320,423.29/442,189.07 = 177,180.73/x
  3. Step 3: Cross multiply
    320,423.29x = 442,189.07 × 177,180.73
  4. Step 4: Simplify right side
    320,423.29x = 78,347,381,334.72
  5. Step 5: Solve for x
    x = 78,347,381,334.72/320,423.29
  6. Step 6: Final answer
    x = 244,512.13

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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.