Home / 477,136.20-715,704.30-228,304.20

Finding the Fourth Proportional to 477,136.20, 715,704.30 and 228,304.20

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Solution

The fourth proportional to 477,136.20, 715,704.30 and 228,304.20 is: 342,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,136.20 : 715,704.30 = 228,304.20 : x
  2. Step 2: Convert to fraction form
    477,136.20/715,704.30 = 228,304.20/x
  3. Step 3: Cross multiply
    477,136.20x = 715,704.30 × 228,304.20
  4. Step 4: Simplify right side
    477,136.20x = 163,398,297,648.06
  5. Step 5: Solve for x
    x = 163,398,297,648.06/477,136.20
  6. Step 6: Final answer
    x = 342,456.30

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Similar ratio
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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.