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Finding the Fourth Proportional to 268,153.75, 402,230.41 and 68,474.17

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Solution

The fourth proportional to 268,153.75, 402,230.41 and 68,474.17 is: 102,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,153.75 : 402,230.41 = 68,474.17 : x
  2. Step 2: Convert to fraction form
    268,153.75/402,230.41 = 68,474.17/x
  3. Step 3: Cross multiply
    268,153.75x = 402,230.41 × 68,474.17
  4. Step 4: Simplify right side
    268,153.75x = 27,542,393,473.51
  5. Step 5: Solve for x
    x = 27,542,393,473.51/268,153.75
  6. Step 6: Final answer
    x = 102,711.20

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1.5x scale

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.