Home / 325,976.52-488,865.36-225,421.04

Finding the Fourth Proportional to 325,976.52, 488,865.36 and 225,421.04

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Solution

The fourth proportional to 325,976.52, 488,865.36 and 225,421.04 is: 338,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,976.52 : 488,865.36 = 225,421.04 : x
  2. Step 2: Convert to fraction form
    325,976.52/488,865.36 = 225,421.04/x
  3. Step 3: Cross multiply
    325,976.52x = 488,865.36 × 225,421.04
  4. Step 4: Simplify right side
    325,976.52x = 110,200,537,871.17
  5. Step 5: Solve for x
    x = 110,200,537,871.17/325,976.52
  6. Step 6: Final answer
    x = 338,062.81

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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.