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Finding the Fourth Proportional to 363,798.22, 501,974.90 and 202,649.26

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Solution

The fourth proportional to 363,798.22, 501,974.90 and 202,649.26 is: 279,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,798.22 : 501,974.90 = 202,649.26 : x
  2. Step 2: Convert to fraction form
    363,798.22/501,974.90 = 202,649.26/x
  3. Step 3: Cross multiply
    363,798.22x = 501,974.90 × 202,649.26
  4. Step 4: Simplify right side
    363,798.22x = 101,724,842,023.57
  5. Step 5: Solve for x
    x = 101,724,842,023.57/363,798.22
  6. Step 6: Final answer
    x = 279,618.86

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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.