Home / 326,221.52-450,182.28-198,889.04

Finding the Fourth Proportional to 326,221.52, 450,182.28 and 198,889.04

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Solution

The fourth proportional to 326,221.52, 450,182.28 and 198,889.04 is: 274,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,221.52 : 450,182.28 = 198,889.04 : x
  2. Step 2: Convert to fraction form
    326,221.52/450,182.28 = 198,889.04/x
  3. Step 3: Cross multiply
    326,221.52x = 450,182.28 × 198,889.04
  4. Step 4: Simplify right side
    326,221.52x = 89,536,321,494.21
  5. Step 5: Solve for x
    x = 89,536,321,494.21/326,221.52
  6. Step 6: Final answer
    x = 274,464.79

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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.