Home / 230,020.20-345,044.08-72,248.65

Finding the Fourth Proportional to 230,020.20, 345,044.08 and 72,248.65

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Solution

The fourth proportional to 230,020.20, 345,044.08 and 72,248.65 is: 108,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,020.20 : 345,044.08 = 72,248.65 : x
  2. Step 2: Convert to fraction form
    230,020.20/345,044.08 = 72,248.65/x
  3. Step 3: Cross multiply
    230,020.20x = 345,044.08 × 72,248.65
  4. Step 4: Simplify right side
    230,020.20x = 24,928,967,927.26
  5. Step 5: Solve for x
    x = 24,928,967,927.26/230,020.20
  6. Step 6: Final answer
    x = 108,377.30

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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.