Home / 226,781.37-340,282.71-142,581.12

Finding the Fourth Proportional to 226,781.37, 340,282.71 and 142,581.12

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Solution

The fourth proportional to 226,781.37, 340,282.71 and 142,581.12 is: 213,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,781.37 : 340,282.71 = 142,581.12 : x
  2. Step 2: Convert to fraction form
    226,781.37/340,282.71 = 142,581.12/x
  3. Step 3: Cross multiply
    226,781.37x = 340,282.71 × 142,581.12
  4. Step 4: Simplify right side
    226,781.37x = 48,517,889,908.44
  5. Step 5: Solve for x
    x = 48,517,889,908.44/226,781.37
  6. Step 6: Final answer
    x = 213,941.25

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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.