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Finding the Fourth Proportional to 371,771.38, 513,049.17 and 202,008.34

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Solution

The fourth proportional to 371,771.38, 513,049.17 and 202,008.34 is: 278,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,771.38 : 513,049.17 = 202,008.34 : x
  2. Step 2: Convert to fraction form
    371,771.38/513,049.17 = 202,008.34/x
  3. Step 3: Cross multiply
    371,771.38x = 513,049.17 × 202,008.34
  4. Step 4: Simplify right side
    371,771.38x = 103,640,211,170.08
  5. Step 5: Solve for x
    x = 103,640,211,170.08/371,771.38
  6. Step 6: Final answer
    x = 278,774.04

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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.