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Finding the Fourth Proportional to 230,383.90, 345,338.88 and 88,195.69

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Solution

The fourth proportional to 230,383.90, 345,338.88 and 88,195.69 is: 132,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,383.90 : 345,338.88 = 88,195.69 : x
  2. Step 2: Convert to fraction form
    230,383.90/345,338.88 = 88,195.69/x
  3. Step 3: Cross multiply
    230,383.90x = 345,338.88 × 88,195.69
  4. Step 4: Simplify right side
    230,383.90x = 30,457,400,805.43
  5. Step 5: Solve for x
    x = 30,457,400,805.43/230,383.90
  6. Step 6: Final answer
    x = 132,202.82

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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.