Home / 270,388.87-405,627.04-112,633.27

Finding the Fourth Proportional to 270,388.87, 405,627.04 and 112,633.27

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Solution

The fourth proportional to 270,388.87, 405,627.04 and 112,633.27 is: 168,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,388.87 : 405,627.04 = 112,633.27 : x
  2. Step 2: Convert to fraction form
    270,388.87/405,627.04 = 112,633.27/x
  3. Step 3: Cross multiply
    270,388.87x = 405,627.04 × 112,633.27
  4. Step 4: Simplify right side
    270,388.87x = 45,687,097,605.90
  5. Step 5: Solve for x
    x = 45,687,097,605.90/270,388.87
  6. Step 6: Final answer
    x = 168,968.12

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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.