Home / 256,326.12-384,270.24-181,209.96

Finding the Fourth Proportional to 256,326.12, 384,270.24 and 181,209.96

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Solution

The fourth proportional to 256,326.12, 384,270.24 and 181,209.96 is: 271,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,326.12 : 384,270.24 = 181,209.96 : x
  2. Step 2: Convert to fraction form
    256,326.12/384,270.24 = 181,209.96/x
  3. Step 3: Cross multiply
    256,326.12x = 384,270.24 × 181,209.96
  4. Step 4: Simplify right side
    256,326.12x = 69,633,594,819.59
  5. Step 5: Solve for x
    x = 69,633,594,819.59/256,326.12
  6. Step 6: Final answer
    x = 271,660.16

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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.