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Finding the Fourth Proportional to 371,183.54, 556,806.54 and 118,500.08

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Solution

The fourth proportional to 371,183.54, 556,806.54 and 118,500.08 is: 177,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,183.54 : 556,806.54 = 118,500.08 : x
  2. Step 2: Convert to fraction form
    371,183.54/556,806.54 = 118,500.08/x
  3. Step 3: Cross multiply
    371,183.54x = 556,806.54 × 118,500.08
  4. Step 4: Simplify right side
    371,183.54x = 65,981,619,534.52
  5. Step 5: Solve for x
    x = 65,981,619,534.52/371,183.54
  6. Step 6: Final answer
    x = 177,760.09

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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.