Home / 399,426.33-551,212.07-227,335.85

Finding the Fourth Proportional to 399,426.33, 551,212.07 and 227,335.85

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Solution

The fourth proportional to 399,426.33, 551,212.07 and 227,335.85 is: 313,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,426.33 : 551,212.07 = 227,335.85 : x
  2. Step 2: Convert to fraction form
    399,426.33/551,212.07 = 227,335.85/x
  3. Step 3: Cross multiply
    399,426.33x = 551,212.07 × 227,335.85
  4. Step 4: Simplify right side
    399,426.33x = 125,310,260,570.97
  5. Step 5: Solve for x
    x = 125,310,260,570.97/399,426.33
  6. Step 6: Final answer
    x = 313,725.59

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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.