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Finding the Fourth Proportional to 226,505.52, 312,552.18 and 135,865.14

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Solution

The fourth proportional to 226,505.52, 312,552.18 and 135,865.14 is: 187,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,505.52 : 312,552.18 = 135,865.14 : x
  2. Step 2: Convert to fraction form
    226,505.52/312,552.18 = 135,865.14/x
  3. Step 3: Cross multiply
    226,505.52x = 312,552.18 × 135,865.14
  4. Step 4: Simplify right side
    226,505.52x = 42,464,945,693.01
  5. Step 5: Solve for x
    x = 42,464,945,693.01/226,505.52
  6. Step 6: Final answer
    x = 187,478.63

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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.