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Finding the Fourth Proportional to 363,254.23, 501,314.80 and 202,109.62

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Solution

The fourth proportional to 363,254.23, 501,314.80 and 202,109.62 is: 278,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,254.23 : 501,314.80 = 202,109.62 : x
  2. Step 2: Convert to fraction form
    363,254.23/501,314.80 = 202,109.62/x
  3. Step 3: Cross multiply
    363,254.23x = 501,314.80 × 202,109.62
  4. Step 4: Simplify right side
    363,254.23x = 101,320,543,728.38
  5. Step 5: Solve for x
    x = 101,320,543,728.38/363,254.23
  6. Step 6: Final answer
    x = 278,924.61

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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.