Home / 399,308.23-551,037.97-227,222.38

Finding the Fourth Proportional to 399,308.23, 551,037.97 and 227,222.38

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Solution

The fourth proportional to 399,308.23, 551,037.97 and 227,222.38 is: 313,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,308.23 : 551,037.97 = 227,222.38 : x
  2. Step 2: Convert to fraction form
    399,308.23/551,037.97 = 227,222.38/x
  3. Step 3: Cross multiply
    399,308.23x = 551,037.97 × 227,222.38
  4. Step 4: Simplify right side
    399,308.23x = 125,208,159,013.77
  5. Step 5: Solve for x
    x = 125,208,159,013.77/399,308.23
  6. Step 6: Final answer
    x = 313,562.68

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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.