Home / 316,945.92-437,387.04-173,707.20

Finding the Fourth Proportional to 316,945.92, 437,387.04 and 173,707.20

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Solution

The fourth proportional to 316,945.92, 437,387.04 and 173,707.20 is: 239,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,945.92 : 437,387.04 = 173,707.20 : x
  2. Step 2: Convert to fraction form
    316,945.92/437,387.04 = 173,707.20/x
  3. Step 3: Cross multiply
    316,945.92x = 437,387.04 × 173,707.20
  4. Step 4: Simplify right side
    316,945.92x = 75,977,278,034.69
  5. Step 5: Solve for x
    x = 75,977,278,034.69/316,945.92
  6. Step 6: Final answer
    x = 239,716.85

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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.