Home / 222,790.20-334,185.30-212,422.20

Finding the Fourth Proportional to 222,790.20, 334,185.30 and 212,422.20

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Solution

The fourth proportional to 222,790.20, 334,185.30 and 212,422.20 is: 318,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.20 : 334,185.30 = 212,422.20 : x
  2. Step 2: Convert to fraction form
    222,790.20/334,185.30 = 212,422.20/x
  3. Step 3: Cross multiply
    222,790.20x = 334,185.30 × 212,422.20
  4. Step 4: Simplify right side
    222,790.20x = 70,988,376,633.66
  5. Step 5: Solve for x
    x = 70,988,376,633.66/222,790.20
  6. Step 6: Final answer
    x = 318,633.30

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1.5x scale

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.