Home / 268,952.92-403,362.15-79,375.66

Finding the Fourth Proportional to 268,952.92, 403,362.15 and 79,375.66

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Solution

The fourth proportional to 268,952.92, 403,362.15 and 79,375.66 is: 119,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,952.92 : 403,362.15 = 79,375.66 : x
  2. Step 2: Convert to fraction form
    268,952.92/403,362.15 = 79,375.66/x
  3. Step 3: Cross multiply
    268,952.92x = 403,362.15 × 79,375.66
  4. Step 4: Simplify right side
    268,952.92x = 32,017,135,569.20
  5. Step 5: Solve for x
    x = 32,017,135,569.20/268,952.92
  6. Step 6: Final answer
    x = 119,043.64

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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.