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Finding the Fourth Proportional to 454,121.28, 626,687.52 and 252,917.28

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Solution

The fourth proportional to 454,121.28, 626,687.52 and 252,917.28 is: 349,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,121.28 : 626,687.52 = 252,917.28 : x
  2. Step 2: Convert to fraction form
    454,121.28/626,687.52 = 252,917.28/x
  3. Step 3: Cross multiply
    454,121.28x = 626,687.52 × 252,917.28
  4. Step 4: Simplify right side
    454,121.28x = 158,500,102,968.35
  5. Step 5: Solve for x
    x = 158,500,102,968.35/454,121.28
  6. Step 6: Final answer
    x = 349,025.93

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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.