Home / 547,519.14-821,136.15-231,813.54

Finding the Fourth Proportional to 547,519.14, 821,136.15 and 231,813.54

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Solution

The fourth proportional to 547,519.14, 821,136.15 and 231,813.54 is: 347,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,519.14 : 821,136.15 = 231,813.54 : x
  2. Step 2: Convert to fraction form
    547,519.14/821,136.15 = 231,813.54/x
  3. Step 3: Cross multiply
    547,519.14x = 821,136.15 × 231,813.54
  4. Step 4: Simplify right side
    547,519.14x = 190,350,477,753.47
  5. Step 5: Solve for x
    x = 190,350,477,753.47/547,519.14
  6. Step 6: Final answer
    x = 347,659.95

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1.5x scale

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.