Home / 268,723.52-403,154.53-192,909.95

Finding the Fourth Proportional to 268,723.52, 403,154.53 and 192,909.95

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Solution

The fourth proportional to 268,723.52, 403,154.53 and 192,909.95 is: 289,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,723.52 : 403,154.53 = 192,909.95 : x
  2. Step 2: Convert to fraction form
    268,723.52/403,154.53 = 192,909.95/x
  3. Step 3: Cross multiply
    268,723.52x = 403,154.53 × 192,909.95
  4. Step 4: Simplify right side
    268,723.52x = 77,772,520,224.57
  5. Step 5: Solve for x
    x = 77,772,520,224.57/268,723.52
  6. Step 6: Final answer
    x = 289,414.64

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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.