Home / 547,630.20-821,567.70-192,655.80

Finding the Fourth Proportional to 547,630.20, 821,567.70 and 192,655.80

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Solution

The fourth proportional to 547,630.20, 821,567.70 and 192,655.80 is: 289,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,630.20 : 821,567.70 = 192,655.80 : x
  2. Step 2: Convert to fraction form
    547,630.20/821,567.70 = 192,655.80/x
  3. Step 3: Cross multiply
    547,630.20x = 821,567.70 × 192,655.80
  4. Step 4: Simplify right side
    547,630.20x = 158,279,782,497.66
  5. Step 5: Solve for x
    x = 158,279,782,497.66/547,630.20
  6. Step 6: Final answer
    x = 289,026.76

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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.