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Finding the Fourth Proportional to 200,251.48, 276,346.31 and 108,370.58

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Solution

The fourth proportional to 200,251.48, 276,346.31 and 108,370.58 is: 149,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,251.48 : 276,346.31 = 108,370.58 : x
  2. Step 2: Convert to fraction form
    200,251.48/276,346.31 = 108,370.58/x
  3. Step 3: Cross multiply
    200,251.48x = 276,346.31 × 108,370.58
  4. Step 4: Simplify right side
    200,251.48x = 29,947,809,895.56
  5. Step 5: Solve for x
    x = 29,947,809,895.56/200,251.48
  6. Step 6: Final answer
    x = 149,551.00

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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.