Home / 399,944.98-551,958.26-227,915.56

Finding the Fourth Proportional to 399,944.98, 551,958.26 and 227,915.56

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Solution

The fourth proportional to 399,944.98, 551,958.26 and 227,915.56 is: 314,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,944.98 : 551,958.26 = 227,915.56 : x
  2. Step 2: Convert to fraction form
    399,944.98/551,958.26 = 227,915.56/x
  3. Step 3: Cross multiply
    399,944.98x = 551,958.26 × 227,915.56
  4. Step 4: Simplify right side
    399,944.98x = 125,799,875,924.53
  5. Step 5: Solve for x
    x = 125,799,875,924.53/399,944.98
  6. Step 6: Final answer
    x = 314,542.96

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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.