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Finding the Fourth Proportional to 341,360.43, 471,068.49 and 188,396.56

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Solution

The fourth proportional to 341,360.43, 471,068.49 and 188,396.56 is: 259,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,360.43 : 471,068.49 = 188,396.56 : x
  2. Step 2: Convert to fraction form
    341,360.43/471,068.49 = 188,396.56/x
  3. Step 3: Cross multiply
    341,360.43x = 471,068.49 × 188,396.56
  4. Step 4: Simplify right side
    341,360.43x = 88,747,683,040.39
  5. Step 5: Solve for x
    x = 88,747,683,040.39/341,360.43
  6. Step 6: Final answer
    x = 259,982.34

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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.