Home / 326,391.28-450,296.06-240,555.16

Finding the Fourth Proportional to 326,391.28, 450,296.06 and 240,555.16

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Solution

The fourth proportional to 326,391.28, 450,296.06 and 240,555.16 is: 331,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,391.28 : 450,296.06 = 240,555.16 : x
  2. Step 2: Convert to fraction form
    326,391.28/450,296.06 = 240,555.16/x
  3. Step 3: Cross multiply
    326,391.28x = 450,296.06 × 240,555.16
  4. Step 4: Simplify right side
    326,391.28x = 108,321,040,760.67
  5. Step 5: Solve for x
    x = 108,321,040,760.67/326,391.28
  6. Step 6: Final answer
    x = 331,874.80

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1.5x scale

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.