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Finding the Fourth Proportional to 256,255.44, 384,384.52 and 168,067.39

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Solution

The fourth proportional to 256,255.44, 384,384.52 and 168,067.39 is: 252,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,255.44 : 384,384.52 = 168,067.39 : x
  2. Step 2: Convert to fraction form
    256,255.44/384,384.52 = 168,067.39/x
  3. Step 3: Cross multiply
    256,255.44x = 384,384.52 × 168,067.39
  4. Step 4: Simplify right side
    256,255.44x = 64,602,503,032.80
  5. Step 5: Solve for x
    x = 64,602,503,032.80/256,255.44
  6. Step 6: Final answer
    x = 252,101.98

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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.