Home / 256,092.22-384,055.30-85,268.35

Finding the Fourth Proportional to 256,092.22, 384,055.30 and 85,268.35

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Solution

The fourth proportional to 256,092.22, 384,055.30 and 85,268.35 is: 127,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,092.22 : 384,055.30 = 85,268.35 : x
  2. Step 2: Convert to fraction form
    256,092.22/384,055.30 = 85,268.35/x
  3. Step 3: Cross multiply
    256,092.22x = 384,055.30 × 85,268.35
  4. Step 4: Simplify right side
    256,092.22x = 32,747,761,739.76
  5. Step 5: Solve for x
    x = 32,747,761,739.76/256,092.22
  6. Step 6: Final answer
    x = 127,874.88

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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.