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Finding the Fourth Proportional to 199,507.77, 275,327.35 and 108,868.70

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Solution

The fourth proportional to 199,507.77, 275,327.35 and 108,868.70 is: 150,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,507.77 : 275,327.35 = 108,868.70 : x
  2. Step 2: Convert to fraction form
    199,507.77/275,327.35 = 108,868.70/x
  3. Step 3: Cross multiply
    199,507.77x = 275,327.35 × 108,868.70
  4. Step 4: Simplify right side
    199,507.77x = 29,974,531,085.09
  5. Step 5: Solve for x
    x = 29,974,531,085.09/199,507.77
  6. Step 6: Final answer
    x = 150,242.42

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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.