Home / 221,464.20-332,196.30-212,716.20

Finding the Fourth Proportional to 221,464.20, 332,196.30 and 212,716.20

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Solution

The fourth proportional to 221,464.20, 332,196.30 and 212,716.20 is: 319,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464.20 : 332,196.30 = 212,716.20 : x
  2. Step 2: Convert to fraction form
    221,464.20/332,196.30 = 212,716.20/x
  3. Step 3: Cross multiply
    221,464.20x = 332,196.30 × 212,716.20
  4. Step 4: Simplify right side
    221,464.20x = 70,663,534,590.06
  5. Step 5: Solve for x
    x = 70,663,534,590.06/221,464.20
  6. Step 6: Final answer
    x = 319,074.30

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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.