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Finding the Fourth Proportional to 317,304.10, 475,832.67 and 159,422.50

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Solution

The fourth proportional to 317,304.10, 475,832.67 and 159,422.50 is: 239,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,304.10 : 475,832.67 = 159,422.50 : x
  2. Step 2: Convert to fraction form
    317,304.10/475,832.67 = 159,422.50/x
  3. Step 3: Cross multiply
    317,304.10x = 475,832.67 × 159,422.50
  4. Step 4: Simplify right side
    317,304.10x = 75,858,433,833.08
  5. Step 5: Solve for x
    x = 75,858,433,833.08/317,304.10
  6. Step 6: Final answer
    x = 239,071.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.