Home / 851,510.66-1,277,296.17-211,817.73

Finding the Fourth Proportional to 851,510.66, 1,277,296.17 and 211,817.73

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Solution

The fourth proportional to 851,510.66, 1,277,296.17 and 211,817.73 is: 317,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,510.66 : 1,277,296.17 = 211,817.73 : x
  2. Step 2: Convert to fraction form
    851,510.66/1,277,296.17 = 211,817.73/x
  3. Step 3: Cross multiply
    851,510.66x = 1,277,296.17 × 211,817.73
  4. Step 4: Simplify right side
    851,510.66x = 270,553,974,208.01
  5. Step 5: Solve for x
    x = 270,553,974,208.01/851,510.66
  6. Step 6: Final answer
    x = 317,734.10

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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.