Home / 268,929.20-371,122.29-149,697.20

Finding the Fourth Proportional to 268,929.20, 371,122.29 and 149,697.20

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Solution

The fourth proportional to 268,929.20, 371,122.29 and 149,697.20 is: 206,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,929.20 : 371,122.29 = 149,697.20 : x
  2. Step 2: Convert to fraction form
    268,929.20/371,122.29 = 149,697.20/x
  3. Step 3: Cross multiply
    268,929.20x = 371,122.29 × 149,697.20
  4. Step 4: Simplify right side
    268,929.20x = 55,555,965,814.98
  5. Step 5: Solve for x
    x = 55,555,965,814.98/268,929.20
  6. Step 6: Final answer
    x = 206,582.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.