Home / 547,482.43-821,198.76-187,685.20

Finding the Fourth Proportional to 547,482.43, 821,198.76 and 187,685.20

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Solution

The fourth proportional to 547,482.43, 821,198.76 and 187,685.20 is: 281,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,482.43 : 821,198.76 = 187,685.20 : x
  2. Step 2: Convert to fraction form
    547,482.43/821,198.76 = 187,685.20/x
  3. Step 3: Cross multiply
    547,482.43x = 821,198.76 × 187,685.20
  4. Step 4: Simplify right side
    547,482.43x = 154,126,853,510.35
  5. Step 5: Solve for x
    x = 154,126,853,510.35/547,482.43
  6. Step 6: Final answer
    x = 281,519.27

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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.