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Finding the Fourth Proportional to 344,367.52, 475,204.12 and 191,395.78

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Solution

The fourth proportional to 344,367.52, 475,204.12 and 191,395.78 is: 264,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,367.52 : 475,204.12 = 191,395.78 : x
  2. Step 2: Convert to fraction form
    344,367.52/475,204.12 = 191,395.78/x
  3. Step 3: Cross multiply
    344,367.52x = 475,204.12 × 191,395.78
  4. Step 4: Simplify right side
    344,367.52x = 90,952,061,540.11
  5. Step 5: Solve for x
    x = 90,952,061,540.11/344,367.52
  6. Step 6: Final answer
    x = 264,113.36

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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.