Home / 325,214.10-487,699.79-111,922.34

Finding the Fourth Proportional to 325,214.10, 487,699.79 and 111,922.34

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Solution

The fourth proportional to 325,214.10, 487,699.79 and 111,922.34 is: 167,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,214.10 : 487,699.79 = 111,922.34 : x
  2. Step 2: Convert to fraction form
    325,214.10/487,699.79 = 111,922.34/x
  3. Step 3: Cross multiply
    325,214.10x = 487,699.79 × 111,922.34
  4. Step 4: Simplify right side
    325,214.10x = 54,584,498,716.20
  5. Step 5: Solve for x
    x = 54,584,498,716.20/325,214.10
  6. Step 6: Final answer
    x = 167,841.73

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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.