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Finding the Fourth Proportional to 254,299.95, 350,938.38 and 139,589.33

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Solution

The fourth proportional to 254,299.95, 350,938.38 and 139,589.33 is: 192,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,299.95 : 350,938.38 = 139,589.33 : x
  2. Step 2: Convert to fraction form
    254,299.95/350,938.38 = 139,589.33/x
  3. Step 3: Cross multiply
    254,299.95x = 350,938.38 × 139,589.33
  4. Step 4: Simplify right side
    254,299.95x = 48,987,251,580.79
  5. Step 5: Solve for x
    x = 48,987,251,580.79/254,299.95
  6. Step 6: Final answer
    x = 192,635.71

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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.