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Finding the Fourth Proportional to 468,398.44, 702,724.38 and 168,912.28

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Solution

The fourth proportional to 468,398.44, 702,724.38 and 168,912.28 is: 253,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,398.44 : 702,724.38 = 168,912.28 : x
  2. Step 2: Convert to fraction form
    468,398.44/702,724.38 = 168,912.28/x
  3. Step 3: Cross multiply
    468,398.44x = 702,724.38 × 168,912.28
  4. Step 4: Simplify right side
    468,398.44x = 118,698,777,237.39
  5. Step 5: Solve for x
    x = 118,698,777,237.39/468,398.44
  6. Step 6: Final answer
    x = 253,414.12

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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.