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Finding the Fourth Proportional to 468,375.38, 702,564.88 and 113,388.84

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Solution

The fourth proportional to 468,375.38, 702,564.88 and 113,388.84 is: 170,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,375.38 : 702,564.88 = 113,388.84 : x
  2. Step 2: Convert to fraction form
    468,375.38/702,564.88 = 113,388.84/x
  3. Step 3: Cross multiply
    468,375.38x = 702,564.88 × 113,388.84
  4. Step 4: Simplify right side
    468,375.38x = 79,663,016,767.94
  5. Step 5: Solve for x
    x = 79,663,016,767.94/468,375.38
  6. Step 6: Final answer
    x = 170,083.70

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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.