Home / 322,731.20-484,317.32-112,369.13

Finding the Fourth Proportional to 322,731.20, 484,317.32 and 112,369.13

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Solution

The fourth proportional to 322,731.20, 484,317.32 and 112,369.13 is: 168,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731.20 : 484,317.32 = 112,369.13 : x
  2. Step 2: Convert to fraction form
    322,731.20/484,317.32 = 112,369.13/x
  3. Step 3: Cross multiply
    322,731.20x = 484,317.32 × 112,369.13
  4. Step 4: Simplify right side
    322,731.20x = 54,422,315,892.33
  5. Step 5: Solve for x
    x = 54,422,315,892.33/322,731.20
  6. Step 6: Final answer
    x = 168,630.48

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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.