Home / 851,106.69-1,276,703.78-220,025.97

Finding the Fourth Proportional to 851,106.69, 1,276,703.78 and 220,025.97

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Solution

The fourth proportional to 851,106.69, 1,276,703.78 and 220,025.97 is: 330,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,106.69 : 1,276,703.78 = 220,025.97 : x
  2. Step 2: Convert to fraction form
    851,106.69/1,276,703.78 = 220,025.97/x
  3. Step 3: Cross multiply
    851,106.69x = 1,276,703.78 × 220,025.97
  4. Step 4: Simplify right side
    851,106.69x = 280,907,986,497.04
  5. Step 5: Solve for x
    x = 280,907,986,497.04/851,106.69
  6. Step 6: Final answer
    x = 330,050.26

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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.