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Finding the Fourth Proportional to 539,327.88, 808,781.67 and 202,184.64

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Solution

The fourth proportional to 539,327.88, 808,781.67 and 202,184.64 is: 303,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,327.88 : 808,781.67 = 202,184.64 : x
  2. Step 2: Convert to fraction form
    539,327.88/808,781.67 = 202,184.64/x
  3. Step 3: Cross multiply
    539,327.88x = 808,781.67 × 202,184.64
  4. Step 4: Simplify right side
    539,327.88x = 163,523,230,787.55
  5. Step 5: Solve for x
    x = 163,523,230,787.55/539,327.88
  6. Step 6: Final answer
    x = 303,198.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.