Home / 547,269.60-820,986.48-192,221.04

Finding the Fourth Proportional to 547,269.60, 820,986.48 and 192,221.04

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Solution

The fourth proportional to 547,269.60, 820,986.48 and 192,221.04 is: 288,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,269.60 : 820,986.48 = 192,221.04 : x
  2. Step 2: Convert to fraction form
    547,269.60/820,986.48 = 192,221.04/x
  3. Step 3: Cross multiply
    547,269.60x = 820,986.48 × 192,221.04
  4. Step 4: Simplify right side
    547,269.60x = 157,810,875,011.54
  5. Step 5: Solve for x
    x = 157,810,875,011.54/547,269.60
  6. Step 6: Final answer
    x = 288,360.39

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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.