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Finding the Fourth Proportional to 254,867, 351,716.88 and 141,689.75

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Solution

The fourth proportional to 254,867, 351,716.88 and 141,689.75 is: 195,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,867 : 351,716.88 = 141,689.75 : x
  2. Step 2: Convert to fraction form
    254,867/351,716.88 = 141,689.75/x
  3. Step 3: Cross multiply
    254,867x = 351,716.88 × 141,689.75
  4. Step 4: Simplify right side
    254,867x = 49,834,676,797.98
  5. Step 5: Solve for x
    x = 49,834,676,797.98/254,867
  6. Step 6: Final answer
    x = 195,532.09

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1.5x scale

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.