Home / 234,909.72-324,175.61-127,479.75

Finding the Fourth Proportional to 234,909.72, 324,175.61 and 127,479.75

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Solution

The fourth proportional to 234,909.72, 324,175.61 and 127,479.75 is: 175,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,909.72 : 324,175.61 = 127,479.75 : x
  2. Step 2: Convert to fraction form
    234,909.72/324,175.61 = 127,479.75/x
  3. Step 3: Cross multiply
    234,909.72x = 324,175.61 × 127,479.75
  4. Step 4: Simplify right side
    234,909.72x = 41,325,825,718.90
  5. Step 5: Solve for x
    x = 41,325,825,718.90/234,909.72
  6. Step 6: Final answer
    x = 175,922.16

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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.