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Finding the Fourth Proportional to 230,575.80, 345,863.70 and 141,540.60

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Solution

The fourth proportional to 230,575.80, 345,863.70 and 141,540.60 is: 212,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,575.80 : 345,863.70 = 141,540.60 : x
  2. Step 2: Convert to fraction form
    230,575.80/345,863.70 = 141,540.60/x
  3. Step 3: Cross multiply
    230,575.80x = 345,863.70 × 141,540.60
  4. Step 4: Simplify right side
    230,575.80x = 48,953,755,616.22
  5. Step 5: Solve for x
    x = 48,953,755,616.22/230,575.80
  6. Step 6: Final answer
    x = 212,310.90

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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.