Home / 254,359.39-381,248.82-102,459.18

Finding the Fourth Proportional to 254,359.39, 381,248.82 and 102,459.18

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Solution

The fourth proportional to 254,359.39, 381,248.82 and 102,459.18 is: 153,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,359.39 : 381,248.82 = 102,459.18 : x
  2. Step 2: Convert to fraction form
    254,359.39/381,248.82 = 102,459.18/x
  3. Step 3: Cross multiply
    254,359.39x = 381,248.82 × 102,459.18
  4. Step 4: Simplify right side
    254,359.39x = 39,062,441,473.17
  5. Step 5: Solve for x
    x = 39,062,441,473.17/254,359.39
  6. Step 6: Final answer
    x = 153,571.85

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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.