Home / 381,167.30-526,628.70-324,406.46

Finding the Fourth Proportional to 381,167.30, 526,628.70 and 324,406.46

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Solution

The fourth proportional to 381,167.30, 526,628.70 and 324,406.46 is: 448,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,167.30 : 526,628.70 = 324,406.46 : x
  2. Step 2: Convert to fraction form
    381,167.30/526,628.70 = 324,406.46/x
  3. Step 3: Cross multiply
    381,167.30x = 526,628.70 × 324,406.46
  4. Step 4: Simplify right side
    381,167.30x = 170,841,749,668.26
  5. Step 5: Solve for x
    x = 170,841,749,668.26/381,167.30
  6. Step 6: Final answer
    x = 448,206.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.