Home / 379,273.31-568,719.49-126,464.30

Finding the Fourth Proportional to 379,273.31, 568,719.49 and 126,464.30

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Solution

The fourth proportional to 379,273.31, 568,719.49 and 126,464.30 is: 189,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,273.31 : 568,719.49 = 126,464.30 : x
  2. Step 2: Convert to fraction form
    379,273.31/568,719.49 = 126,464.30/x
  3. Step 3: Cross multiply
    379,273.31x = 568,719.49 × 126,464.30
  4. Step 4: Simplify right side
    379,273.31x = 71,922,712,199.21
  5. Step 5: Solve for x
    x = 71,922,712,199.21/379,273.31
  6. Step 6: Final answer
    x = 189,632.94

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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.