Home / 551,073.68-826,619.28-209,522.31

Finding the Fourth Proportional to 551,073.68, 826,619.28 and 209,522.31

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Solution

The fourth proportional to 551,073.68, 826,619.28 and 209,522.31 is: 314,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,073.68 : 826,619.28 = 209,522.31 : x
  2. Step 2: Convert to fraction form
    551,073.68/826,619.28 = 209,522.31/x
  3. Step 3: Cross multiply
    551,073.68x = 826,619.28 × 209,522.31
  4. Step 4: Simplify right side
    551,073.68x = 173,195,177,150.61
  5. Step 5: Solve for x
    x = 173,195,177,150.61/551,073.68
  6. Step 6: Final answer
    x = 314,286.79

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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.