Home / 256,252.20-384,378.30-114,097.20

Finding the Fourth Proportional to 256,252.20, 384,378.30 and 114,097.20

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Solution

The fourth proportional to 256,252.20, 384,378.30 and 114,097.20 is: 171,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,252.20 : 384,378.30 = 114,097.20 : x
  2. Step 2: Convert to fraction form
    256,252.20/384,378.30 = 114,097.20/x
  3. Step 3: Cross multiply
    256,252.20x = 384,378.30 × 114,097.20
  4. Step 4: Simplify right side
    256,252.20x = 43,856,487,770.76
  5. Step 5: Solve for x
    x = 43,856,487,770.76/256,252.20
  6. Step 6: Final answer
    x = 171,145.80

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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.