Home / 851,252.39-1,276,902.20-211,530.29

Finding the Fourth Proportional to 851,252.39, 1,276,902.20 and 211,530.29

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Solution

The fourth proportional to 851,252.39, 1,276,902.20 and 211,530.29 is: 317,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,252.39 : 1,276,902.20 = 211,530.29 : x
  2. Step 2: Convert to fraction form
    851,252.39/1,276,902.20 = 211,530.29/x
  3. Step 3: Cross multiply
    851,252.39x = 1,276,902.20 × 211,530.29
  4. Step 4: Simplify right side
    851,252.39x = 270,103,486,217.02
  5. Step 5: Solve for x
    x = 270,103,486,217.02/851,252.39
  6. Step 6: Final answer
    x = 317,301.30

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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.