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Finding the Fourth Proportional to 254,797.62, 351,625.20 and 140,081.10

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Solution

The fourth proportional to 254,797.62, 351,625.20 and 140,081.10 is: 193,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,797.62 : 351,625.20 = 140,081.10 : x
  2. Step 2: Convert to fraction form
    254,797.62/351,625.20 = 140,081.10/x
  3. Step 3: Cross multiply
    254,797.62x = 351,625.20 × 140,081.10
  4. Step 4: Simplify right side
    254,797.62x = 49,256,044,803.72
  5. Step 5: Solve for x
    x = 49,256,044,803.72/254,797.62
  6. Step 6: Final answer
    x = 193,314.38

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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.