Home / 325,743.60-488,680.58-112,519.29

Finding the Fourth Proportional to 325,743.60, 488,680.58 and 112,519.29

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Solution

The fourth proportional to 325,743.60, 488,680.58 and 112,519.29 is: 168,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,743.60 : 488,680.58 = 112,519.29 : x
  2. Step 2: Convert to fraction form
    325,743.60/488,680.58 = 112,519.29/x
  3. Step 3: Cross multiply
    325,743.60x = 488,680.58 × 112,519.29
  4. Step 4: Simplify right side
    325,743.60x = 54,985,988,892.39
  5. Step 5: Solve for x
    x = 54,985,988,892.39/325,743.60
  6. Step 6: Final answer
    x = 168,801.44

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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.