Home / 379,101.02-568,612.46-126,354.20

Finding the Fourth Proportional to 379,101.02, 568,612.46 and 126,354.20

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Solution

The fourth proportional to 379,101.02, 568,612.46 and 126,354.20 is: 189,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,101.02 : 568,612.46 = 126,354.20 : x
  2. Step 2: Convert to fraction form
    379,101.02/568,612.46 = 126,354.20/x
  3. Step 3: Cross multiply
    379,101.02x = 568,612.46 × 126,354.20
  4. Step 4: Simplify right side
    379,101.02x = 71,846,572,493.33
  5. Step 5: Solve for x
    x = 71,846,572,493.33/379,101.02
  6. Step 6: Final answer
    x = 189,518.28

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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.