Home / 345,035.70-516,912.03-187,396.74

Finding the Fourth Proportional to 345,035.70, 516,912.03 and 187,396.74

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Solution

The fourth proportional to 345,035.70, 516,912.03 and 187,396.74 is: 280,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,035.70 : 516,912.03 = 187,396.74 : x
  2. Step 2: Convert to fraction form
    345,035.70/516,912.03 = 187,396.74/x
  3. Step 3: Cross multiply
    345,035.70x = 516,912.03 × 187,396.74
  4. Step 4: Simplify right side
    345,035.70x = 96,867,629,288.78
  5. Step 5: Solve for x
    x = 96,867,629,288.78/345,035.70
  6. Step 6: Final answer
    x = 280,746.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.