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Finding the Fourth Proportional to 539,327.56, 808,781.10 and 202,184.26

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Solution

The fourth proportional to 539,327.56, 808,781.10 and 202,184.26 is: 303,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,327.56 : 808,781.10 = 202,184.26 : x
  2. Step 2: Convert to fraction form
    539,327.56/808,781.10 = 202,184.26/x
  3. Step 3: Cross multiply
    539,327.56x = 808,781.10 × 202,184.26
  4. Step 4: Simplify right side
    539,327.56x = 163,522,805,046.16
  5. Step 5: Solve for x
    x = 163,522,805,046.16/539,327.56
  6. Step 6: Final answer
    x = 303,197.57

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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.