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Finding the Fourth Proportional to 371,251.44, 512,327.34 and 201,485.61

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Solution

The fourth proportional to 371,251.44, 512,327.34 and 201,485.61 is: 278,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,251.44 : 512,327.34 = 201,485.61 : x
  2. Step 2: Convert to fraction form
    371,251.44/512,327.34 = 201,485.61/x
  3. Step 3: Cross multiply
    371,251.44x = 512,327.34 × 201,485.61
  4. Step 4: Simplify right side
    371,251.44x = 103,226,586,619.58
  5. Step 5: Solve for x
    x = 103,226,586,619.58/371,251.44
  6. Step 6: Final answer
    x = 278,050.33

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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.