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Finding the Fourth Proportional to 253,877, 350,350.26 and 140,716.76

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Solution

The fourth proportional to 253,877, 350,350.26 and 140,716.76 is: 194,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,877 : 350,350.26 = 140,716.76 : x
  2. Step 2: Convert to fraction form
    253,877/350,350.26 = 140,716.76/x
  3. Step 3: Cross multiply
    253,877x = 350,350.26 × 140,716.76
  4. Step 4: Simplify right side
    253,877x = 49,300,153,452.36
  5. Step 5: Solve for x
    x = 49,300,153,452.36/253,877
  6. Step 6: Final answer
    x = 194,189.13

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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.