Home / 256,844.40-384,748.20-178,047.60

Finding the Fourth Proportional to 256,844.40, 384,748.20 and 178,047.60

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Solution

The fourth proportional to 256,844.40, 384,748.20 and 178,047.60 is: 266,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,844.40 : 384,748.20 = 178,047.60 : x
  2. Step 2: Convert to fraction form
    256,844.40/384,748.20 = 178,047.60/x
  3. Step 3: Cross multiply
    256,844.40x = 384,748.20 × 178,047.60
  4. Step 4: Simplify right side
    256,844.40x = 68,503,493,614.32
  5. Step 5: Solve for x
    x = 68,503,493,614.32/256,844.40
  6. Step 6: Final answer
    x = 266,712.04

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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.