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Finding the Fourth Proportional to 254,191.97, 350,773.07 and 139,468.03

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Solution

The fourth proportional to 254,191.97, 350,773.07 and 139,468.03 is: 192,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,191.97 : 350,773.07 = 139,468.03 : x
  2. Step 2: Convert to fraction form
    254,191.97/350,773.07 = 139,468.03/x
  3. Step 3: Cross multiply
    254,191.97x = 350,773.07 × 139,468.03
  4. Step 4: Simplify right side
    254,191.97x = 48,921,627,475.68
  5. Step 5: Solve for x
    x = 48,921,627,475.68/254,191.97
  6. Step 6: Final answer
    x = 192,459.37

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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.