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Finding the Fourth Proportional to 363,254.64, 501,278.74 and 199,895.88

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Solution

The fourth proportional to 363,254.64, 501,278.74 and 199,895.88 is: 275,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,254.64 : 501,278.74 = 199,895.88 : x
  2. Step 2: Convert to fraction form
    363,254.64/501,278.74 = 199,895.88/x
  3. Step 3: Cross multiply
    363,254.64x = 501,278.74 × 199,895.88
  4. Step 4: Simplify right side
    363,254.64x = 100,203,554,857.59
  5. Step 5: Solve for x
    x = 100,203,554,857.59/363,254.64
  6. Step 6: Final answer
    x = 275,849.35

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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.