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Finding the Fourth Proportional to 200,371.50, 276,512.67 and 110,947.50

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Solution

The fourth proportional to 200,371.50, 276,512.67 and 110,947.50 is: 153,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371.50 : 276,512.67 = 110,947.50 : x
  2. Step 2: Convert to fraction form
    200,371.50/276,512.67 = 110,947.50/x
  3. Step 3: Cross multiply
    200,371.50x = 276,512.67 × 110,947.50
  4. Step 4: Simplify right side
    200,371.50x = 30,678,389,454.83
  5. Step 5: Solve for x
    x = 30,678,389,454.83/200,371.50
  6. Step 6: Final answer
    x = 153,107.55

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1.5x scale

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.