Home / 316,844.28-437,245.02-173,609.76

Finding the Fourth Proportional to 316,844.28, 437,245.02 and 173,609.76

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Solution

The fourth proportional to 316,844.28, 437,245.02 and 173,609.76 is: 239,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,844.28 : 437,245.02 = 173,609.76 : x
  2. Step 2: Convert to fraction form
    316,844.28/437,245.02 = 173,609.76/x
  3. Step 3: Cross multiply
    316,844.28x = 437,245.02 × 173,609.76
  4. Step 4: Simplify right side
    316,844.28x = 75,910,002,983.40
  5. Step 5: Solve for x
    x = 75,910,002,983.40/316,844.28
  6. Step 6: Final answer
    x = 239,581.42

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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.