Home / 825,137.12-1,237,706.76-226,103.60

Finding the Fourth Proportional to 825,137.12, 1,237,706.76 and 226,103.60

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Solution

The fourth proportional to 825,137.12, 1,237,706.76 and 226,103.60 is: 339,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,137.12 : 1,237,706.76 = 226,103.60 : x
  2. Step 2: Convert to fraction form
    825,137.12/1,237,706.76 = 226,103.60/x
  3. Step 3: Cross multiply
    825,137.12x = 1,237,706.76 × 226,103.60
  4. Step 4: Simplify right side
    825,137.12x = 279,849,954,180.34
  5. Step 5: Solve for x
    x = 279,849,954,180.34/825,137.12
  6. Step 6: Final answer
    x = 339,155.70

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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.