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Finding the Fourth Proportional to 252,082.68, 347,858.46 and 144,661.56

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Solution

The fourth proportional to 252,082.68, 347,858.46 and 144,661.56 is: 199,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,082.68 : 347,858.46 = 144,661.56 : x
  2. Step 2: Convert to fraction form
    252,082.68/347,858.46 = 144,661.56/x
  3. Step 3: Cross multiply
    252,082.68x = 347,858.46 × 144,661.56
  4. Step 4: Simplify right side
    252,082.68x = 50,321,747,482.80
  5. Step 5: Solve for x
    x = 50,321,747,482.80/252,082.68
  6. Step 6: Final answer
    x = 199,623.98

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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.