Home / 222,402.20-333,603.30-211,515.80

Finding the Fourth Proportional to 222,402.20, 333,603.30 and 211,515.80

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Solution

The fourth proportional to 222,402.20, 333,603.30 and 211,515.80 is: 317,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,402.20 : 333,603.30 = 211,515.80 : x
  2. Step 2: Convert to fraction form
    222,402.20/333,603.30 = 211,515.80/x
  3. Step 3: Cross multiply
    222,402.20x = 333,603.30 × 211,515.80
  4. Step 4: Simplify right side
    222,402.20x = 70,562,368,882.14
  5. Step 5: Solve for x
    x = 70,562,368,882.14/222,402.20
  6. Step 6: Final answer
    x = 317,273.70

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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.