Home / 537,540.20-805,964.70-222,122.60

Finding the Fourth Proportional to 537,540.20, 805,964.70 and 222,122.60

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Solution

The fourth proportional to 537,540.20, 805,964.70 and 222,122.60 is: 333,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,540.20 : 805,964.70 = 222,122.60 : x
  2. Step 2: Convert to fraction form
    537,540.20/805,964.70 = 222,122.60/x
  3. Step 3: Cross multiply
    537,540.20x = 805,964.70 × 222,122.60
  4. Step 4: Simplify right side
    537,540.20x = 179,022,974,672.22
  5. Step 5: Solve for x
    x = 179,022,974,672.22/537,540.20
  6. Step 6: Final answer
    x = 333,041.09

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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.