Home / 231,624.56-346,781.45-147,175.38

Finding the Fourth Proportional to 231,624.56, 346,781.45 and 147,175.38

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Solution

The fourth proportional to 231,624.56, 346,781.45 and 147,175.38 is: 220,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,624.56 : 346,781.45 = 147,175.38 : x
  2. Step 2: Convert to fraction form
    231,624.56/346,781.45 = 147,175.38/x
  3. Step 3: Cross multiply
    231,624.56x = 346,781.45 × 147,175.38
  4. Step 4: Simplify right side
    231,624.56x = 51,037,692,048.64
  5. Step 5: Solve for x
    x = 51,037,692,048.64/231,624.56
  6. Step 6: Final answer
    x = 220,346.63

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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.