Home / 547,257.60-820,968.48-192,209.04

Finding the Fourth Proportional to 547,257.60, 820,968.48 and 192,209.04

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Solution

The fourth proportional to 547,257.60, 820,968.48 and 192,209.04 is: 288,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,257.60 : 820,968.48 = 192,209.04 : x
  2. Step 2: Convert to fraction form
    547,257.60/820,968.48 = 192,209.04/x
  3. Step 3: Cross multiply
    547,257.60x = 820,968.48 × 192,209.04
  4. Step 4: Simplify right side
    547,257.60x = 157,797,563,411.06
  5. Step 5: Solve for x
    x = 157,797,563,411.06/547,257.60
  6. Step 6: Final answer
    x = 288,342.39

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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.