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Finding the Fourth Proportional to 256,118.58, 384,079.41 and 176,992.92

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Solution

The fourth proportional to 256,118.58, 384,079.41 and 176,992.92 is: 265,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,118.58 : 384,079.41 = 176,992.92 : x
  2. Step 2: Convert to fraction form
    256,118.58/384,079.41 = 176,992.92/x
  3. Step 3: Cross multiply
    256,118.58x = 384,079.41 × 176,992.92
  4. Step 4: Simplify right side
    256,118.58x = 67,979,336,287.78
  5. Step 5: Solve for x
    x = 67,979,336,287.78/256,118.58
  6. Step 6: Final answer
    x = 265,421.34

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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.