Home / 199,275.30-299,429.19-149,821.56

Finding the Fourth Proportional to 199,275.30, 299,429.19 and 149,821.56

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Solution

The fourth proportional to 199,275.30, 299,429.19 and 149,821.56 is: 225,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,275.30 : 299,429.19 = 149,821.56 : x
  2. Step 2: Convert to fraction form
    199,275.30/299,429.19 = 149,821.56/x
  3. Step 3: Cross multiply
    199,275.30x = 299,429.19 × 149,821.56
  4. Step 4: Simplify right side
    199,275.30x = 44,860,948,355.34
  5. Step 5: Solve for x
    x = 44,860,948,355.34/199,275.30
  6. Step 6: Final answer
    x = 225,120.47

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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.