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Finding the Fourth Proportional to 363,266.78, 501,310.62 and 202,128.62

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Solution

The fourth proportional to 363,266.78, 501,310.62 and 202,128.62 is: 278,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,266.78 : 501,310.62 = 202,128.62 : x
  2. Step 2: Convert to fraction form
    363,266.78/501,310.62 = 202,128.62/x
  3. Step 3: Cross multiply
    363,266.78x = 501,310.62 × 202,128.62
  4. Step 4: Simplify right side
    363,266.78x = 101,329,223,811.94
  5. Step 5: Solve for x
    x = 101,329,223,811.94/363,266.78
  6. Step 6: Final answer
    x = 278,938.87

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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.