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Finding the Fourth Proportional to 223,860.48, 335,815.32 and 74,046.18

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Solution

The fourth proportional to 223,860.48, 335,815.32 and 74,046.18 is: 111,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,860.48 : 335,815.32 = 74,046.18 : x
  2. Step 2: Convert to fraction form
    223,860.48/335,815.32 = 74,046.18/x
  3. Step 3: Cross multiply
    223,860.48x = 335,815.32 × 74,046.18
  4. Step 4: Simplify right side
    223,860.48x = 24,865,841,631.48
  5. Step 5: Solve for x
    x = 24,865,841,631.48/223,860.48
  6. Step 6: Final answer
    x = 111,077.41

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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.