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Finding the Fourth Proportional to 374,910.52, 517,375.96 and 202,827.92

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Solution

The fourth proportional to 374,910.52, 517,375.96 and 202,827.92 is: 279,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,910.52 : 517,375.96 = 202,827.92 : x
  2. Step 2: Convert to fraction form
    374,910.52/517,375.96 = 202,827.92/x
  3. Step 3: Cross multiply
    374,910.52x = 517,375.96 × 202,827.92
  4. Step 4: Simplify right side
    374,910.52x = 104,938,289,824.80
  5. Step 5: Solve for x
    x = 104,938,289,824.80/374,910.52
  6. Step 6: Final answer
    x = 279,902.23

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1.5x scale

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.