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Finding the Fourth Proportional to 230,668.29, 346,113 and 125,487.09

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Solution

The fourth proportional to 230,668.29, 346,113 and 125,487.09 is: 188,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,668.29 : 346,113 = 125,487.09 : x
  2. Step 2: Convert to fraction form
    230,668.29/346,113 = 125,487.09/x
  3. Step 3: Cross multiply
    230,668.29x = 346,113 × 125,487.09
  4. Step 4: Simplify right side
    230,668.29x = 43,432,713,181.17
  5. Step 5: Solve for x
    x = 43,432,713,181.17/230,668.29
  6. Step 6: Final answer
    x = 188,290.78

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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.