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Finding the Fourth Proportional to 375,043.04, 517,503.74 and 227,791.33

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Solution

The fourth proportional to 375,043.04, 517,503.74 and 227,791.33 is: 314,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,043.04 : 517,503.74 = 227,791.33 : x
  2. Step 2: Convert to fraction form
    375,043.04/517,503.74 = 227,791.33/x
  3. Step 3: Cross multiply
    375,043.04x = 517,503.74 × 227,791.33
  4. Step 4: Simplify right side
    375,043.04x = 117,882,863,976.11
  5. Step 5: Solve for x
    x = 117,882,863,976.11/375,043.04
  6. Step 6: Final answer
    x = 314,318.23

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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.