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Finding the Fourth Proportional to 199,862.02, 275,809.02 and 109,218.56

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Solution

The fourth proportional to 199,862.02, 275,809.02 and 109,218.56 is: 150,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,862.02 : 275,809.02 = 109,218.56 : x
  2. Step 2: Convert to fraction form
    199,862.02/275,809.02 = 109,218.56/x
  3. Step 3: Cross multiply
    199,862.02x = 275,809.02 × 109,218.56
  4. Step 4: Simplify right side
    199,862.02x = 30,123,463,999.41
  5. Step 5: Solve for x
    x = 30,123,463,999.41/199,862.02
  6. Step 6: Final answer
    x = 150,721.30

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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.