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Finding the Fourth Proportional to 254,173.36, 350,753.76 and 140,993.68

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Solution

The fourth proportional to 254,173.36, 350,753.76 and 140,993.68 is: 194,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,173.36 : 350,753.76 = 140,993.68 : x
  2. Step 2: Convert to fraction form
    254,173.36/350,753.76 = 140,993.68/x
  3. Step 3: Cross multiply
    254,173.36x = 350,753.76 × 140,993.68
  4. Step 4: Simplify right side
    254,173.36x = 49,454,063,396.24
  5. Step 5: Solve for x
    x = 49,454,063,396.24/254,173.36
  6. Step 6: Final answer
    x = 194,568.24

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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.