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Finding the Fourth Proportional to 256,574.13, 384,924.26 and 88,096.92

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Solution

The fourth proportional to 256,574.13, 384,924.26 and 88,096.92 is: 132,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,574.13 : 384,924.26 = 88,096.92 : x
  2. Step 2: Convert to fraction form
    256,574.13/384,924.26 = 88,096.92/x
  3. Step 3: Cross multiply
    256,574.13x = 384,924.26 × 88,096.92
  4. Step 4: Simplify right side
    256,574.13x = 33,910,641,739.28
  5. Step 5: Solve for x
    x = 33,910,641,739.28/256,574.13
  6. Step 6: Final answer
    x = 132,167.03

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1.5x scale

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.