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Finding the Fourth Proportional to 325,800.84, 488,581.38 and 112,514.49

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Solution

The fourth proportional to 325,800.84, 488,581.38 and 112,514.49 is: 168,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,800.84 : 488,581.38 = 112,514.49 : x
  2. Step 2: Convert to fraction form
    325,800.84/488,581.38 = 112,514.49/x
  3. Step 3: Cross multiply
    325,800.84x = 488,581.38 × 112,514.49
  4. Step 4: Simplify right side
    325,800.84x = 54,972,484,794.20
  5. Step 5: Solve for x
    x = 54,972,484,794.20/325,800.84
  6. Step 6: Final answer
    x = 168,730.33

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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.