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Finding the Fourth Proportional to 253,773, 350,218.22 and 140,595.75

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Solution

The fourth proportional to 253,773, 350,218.22 and 140,595.75 is: 194,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,773 : 350,218.22 = 140,595.75 : x
  2. Step 2: Convert to fraction form
    253,773/350,218.22 = 140,595.75/x
  3. Step 3: Cross multiply
    253,773x = 350,218.22 × 140,595.75
  4. Step 4: Simplify right side
    253,773x = 49,239,192,601.59
  5. Step 5: Solve for x
    x = 49,239,192,601.59/253,773
  6. Step 6: Final answer
    x = 194,028.49

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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.