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Finding the Fourth Proportional to 268,153.25, 402,230.24 and 114,239.57

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Solution

The fourth proportional to 268,153.25, 402,230.24 and 114,239.57 is: 171,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,153.25 : 402,230.24 = 114,239.57 : x
  2. Step 2: Convert to fraction form
    268,153.25/402,230.24 = 114,239.57/x
  3. Step 3: Cross multiply
    268,153.25x = 402,230.24 × 114,239.57
  4. Step 4: Simplify right side
    268,153.25x = 45,950,609,087.40
  5. Step 5: Solve for x
    x = 45,950,609,087.40/268,153.25
  6. Step 6: Final answer
    x = 171,359.51

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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.