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Finding the Fourth Proportional to 454,153.32, 626,723.46 and 252,945

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Solution

The fourth proportional to 454,153.32, 626,723.46 and 252,945 is: 349,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,153.32 : 626,723.46 = 252,945 : x
  2. Step 2: Convert to fraction form
    454,153.32/626,723.46 = 252,945/x
  3. Step 3: Cross multiply
    454,153.32x = 626,723.46 × 252,945
  4. Step 4: Simplify right side
    454,153.32x = 158,526,565,589.70
  5. Step 5: Solve for x
    x = 158,526,565,589.70/454,153.32
  6. Step 6: Final answer
    x = 349,059.58

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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.