Home / 254,476.20-381,860.10-96,817.80

Finding the Fourth Proportional to 254,476.20, 381,860.10 and 96,817.80

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Solution

The fourth proportional to 254,476.20, 381,860.10 and 96,817.80 is: 145,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,476.20 : 381,860.10 = 96,817.80 : x
  2. Step 2: Convert to fraction form
    254,476.20/381,860.10 = 96,817.80/x
  3. Step 3: Cross multiply
    254,476.20x = 381,860.10 × 96,817.80
  4. Step 4: Simplify right side
    254,476.20x = 36,970,854,789.78
  5. Step 5: Solve for x
    x = 36,970,854,789.78/254,476.20
  6. Step 6: Final answer
    x = 145,282.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.