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Finding the Fourth Proportional to 256,350.46, 384,525.72 and 167,678.56

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Solution

The fourth proportional to 256,350.46, 384,525.72 and 167,678.56 is: 251,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,350.46 : 384,525.72 = 167,678.56 : x
  2. Step 2: Convert to fraction form
    256,350.46/384,525.72 = 167,678.56/x
  3. Step 3: Cross multiply
    256,350.46x = 384,525.72 × 167,678.56
  4. Step 4: Simplify right side
    256,350.46x = 64,476,719,012.56
  5. Step 5: Solve for x
    x = 64,476,719,012.56/256,350.46
  6. Step 6: Final answer
    x = 251,517.86

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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.