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Finding the Fourth Proportional to 250,122.98, 375,194.88 and 72,630

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Solution

The fourth proportional to 250,122.98, 375,194.88 and 72,630 is: 108,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,122.98 : 375,194.88 = 72,630 : x
  2. Step 2: Convert to fraction form
    250,122.98/375,194.88 = 72,630/x
  3. Step 3: Cross multiply
    250,122.98x = 375,194.88 × 72,630
  4. Step 4: Simplify right side
    250,122.98x = 27,250,404,134.40
  5. Step 5: Solve for x
    x = 27,250,404,134.40/250,122.98
  6. Step 6: Final answer
    x = 108,948.02

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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.