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Finding the Fourth Proportional to 234,759.32, 323,967.36 and 127,328.80

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Solution

The fourth proportional to 234,759.32, 323,967.36 and 127,328.80 is: 175,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,759.32 : 323,967.36 = 127,328.80 : x
  2. Step 2: Convert to fraction form
    234,759.32/323,967.36 = 127,328.80/x
  3. Step 3: Cross multiply
    234,759.32x = 323,967.36 × 127,328.80
  4. Step 4: Simplify right side
    234,759.32x = 41,250,375,187.97
  5. Step 5: Solve for x
    x = 41,250,375,187.97/234,759.32
  6. Step 6: Final answer
    x = 175,713.47

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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.