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Finding the Fourth Proportional to 254,863, 351,711.35 and 141,685.75

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Solution

The fourth proportional to 254,863, 351,711.35 and 141,685.75 is: 195,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,863 : 351,711.35 = 141,685.75 : x
  2. Step 2: Convert to fraction form
    254,863/351,711.35 = 141,685.75/x
  3. Step 3: Cross multiply
    254,863x = 351,711.35 × 141,685.75
  4. Step 4: Simplify right side
    254,863x = 49,832,486,408.26
  5. Step 5: Solve for x
    x = 49,832,486,408.26/254,863
  6. Step 6: Final answer
    x = 195,526.56

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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.