Home / 200,430.70-276,594.03-109,790.50

Finding the Fourth Proportional to 200,430.70, 276,594.03 and 109,790.50

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Solution

The fourth proportional to 200,430.70, 276,594.03 and 109,790.50 is: 151,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,430.70 : 276,594.03 = 109,790.50 : x
  2. Step 2: Convert to fraction form
    200,430.70/276,594.03 = 109,790.50/x
  3. Step 3: Cross multiply
    200,430.70x = 276,594.03 × 109,790.50
  4. Step 4: Simplify right side
    200,430.70x = 30,367,396,850.72
  5. Step 5: Solve for x
    x = 30,367,396,850.72/200,430.70
  6. Step 6: Final answer
    x = 151,510.71

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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.