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Finding the Fourth Proportional to 512,024.80, 768,037.20 and 179,634.40

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Solution

The fourth proportional to 512,024.80, 768,037.20 and 179,634.40 is: 269,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,024.80 : 768,037.20 = 179,634.40 : x
  2. Step 2: Convert to fraction form
    512,024.80/768,037.20 = 179,634.40/x
  3. Step 3: Cross multiply
    512,024.80x = 768,037.20 × 179,634.40
  4. Step 4: Simplify right side
    512,024.80x = 137,965,901,599.68
  5. Step 5: Solve for x
    x = 137,965,901,599.68/512,024.80
  6. Step 6: Final answer
    x = 269,451.60

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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.