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Finding the Fourth Proportional to 372,794.49, 514,470.96 and 211,664.55

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Solution

The fourth proportional to 372,794.49, 514,470.96 and 211,664.55 is: 292,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,794.49 : 514,470.96 = 211,664.55 : x
  2. Step 2: Convert to fraction form
    372,794.49/514,470.96 = 211,664.55/x
  3. Step 3: Cross multiply
    372,794.49x = 514,470.96 × 211,664.55
  4. Step 4: Simplify right side
    372,794.49x = 108,895,264,236.47
  5. Step 5: Solve for x
    x = 108,895,264,236.47/372,794.49
  6. Step 6: Final answer
    x = 292,105.35

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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.