Home / 547,336.20-820,900.62-192,335.88

Finding the Fourth Proportional to 547,336.20, 820,900.62 and 192,335.88

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Solution

The fourth proportional to 547,336.20, 820,900.62 and 192,335.88 is: 288,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,336.20 : 820,900.62 = 192,335.88 : x
  2. Step 2: Convert to fraction form
    547,336.20/820,900.62 = 192,335.88/x
  3. Step 3: Cross multiply
    547,336.20x = 820,900.62 × 192,335.88
  4. Step 4: Simplify right side
    547,336.20x = 157,888,643,140.25
  5. Step 5: Solve for x
    x = 157,888,643,140.25/547,336.20
  6. Step 6: Final answer
    x = 288,467.39

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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.