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Finding the Fourth Proportional to 354,323.53, 488,843.80 and 227,069.29

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Solution

The fourth proportional to 354,323.53, 488,843.80 and 227,069.29 is: 313,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,323.53 : 488,843.80 = 227,069.29 : x
  2. Step 2: Convert to fraction form
    354,323.53/488,843.80 = 227,069.29/x
  3. Step 3: Cross multiply
    354,323.53x = 488,843.80 × 227,069.29
  4. Step 4: Simplify right side
    354,323.53x = 111,001,414,586.90
  5. Step 5: Solve for x
    x = 111,001,414,586.90/354,323.53
  6. Step 6: Final answer
    x = 313,277.01

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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.