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Finding the Fourth Proportional to 230,020.80, 345,424.80 and 125,044.80

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Solution

The fourth proportional to 230,020.80, 345,424.80 and 125,044.80 is: 187,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,020.80 : 345,424.80 = 125,044.80 : x
  2. Step 2: Convert to fraction form
    230,020.80/345,424.80 = 125,044.80/x
  3. Step 3: Cross multiply
    230,020.80x = 345,424.80 × 125,044.80
  4. Step 4: Simplify right side
    230,020.80x = 43,193,575,031.04
  5. Step 5: Solve for x
    x = 43,193,575,031.04/230,020.80
  6. Step 6: Final answer
    x = 187,781.17

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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.