Home / 379,275.31-568,722.49-126,466.30

Finding the Fourth Proportional to 379,275.31, 568,722.49 and 126,466.30

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Solution

The fourth proportional to 379,275.31, 568,722.49 and 126,466.30 is: 189,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,275.31 : 568,722.49 = 126,466.30 : x
  2. Step 2: Convert to fraction form
    379,275.31/568,722.49 = 126,466.30/x
  3. Step 3: Cross multiply
    379,275.31x = 568,722.49 × 126,466.30
  4. Step 4: Simplify right side
    379,275.31x = 71,924,229,037.09
  5. Step 5: Solve for x
    x = 71,924,229,037.09/379,275.31
  6. Step 6: Final answer
    x = 189,635.94

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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.