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Finding the Fourth Proportional to 235,882.80, 353,970 and 95,642.64

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Solution

The fourth proportional to 235,882.80, 353,970 and 95,642.64 is: 143,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,882.80 : 353,970 = 95,642.64 : x
  2. Step 2: Convert to fraction form
    235,882.80/353,970 = 95,642.64/x
  3. Step 3: Cross multiply
    235,882.80x = 353,970 × 95,642.64
  4. Step 4: Simplify right side
    235,882.80x = 33,854,625,280.80
  5. Step 5: Solve for x
    x = 33,854,625,280.80/235,882.80
  6. Step 6: Final answer
    x = 143,523.08

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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.