Home / 422,445.04-582,974.04-231,465.68

Finding the Fourth Proportional to 422,445.04, 582,974.04 and 231,465.68

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Solution

The fourth proportional to 422,445.04, 582,974.04 and 231,465.68 is: 319,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,445.04 : 582,974.04 = 231,465.68 : x
  2. Step 2: Convert to fraction form
    422,445.04/582,974.04 = 231,465.68/x
  3. Step 3: Cross multiply
    422,445.04x = 582,974.04 × 231,465.68
  4. Step 4: Simplify right side
    422,445.04x = 134,938,482,590.95
  5. Step 5: Solve for x
    x = 134,938,482,590.95/422,445.04
  6. Step 6: Final answer
    x = 319,422.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.