Home / 222,456.06-306,990.30-120,482.73

Finding the Fourth Proportional to 222,456.06, 306,990.30 and 120,482.73

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Solution

The fourth proportional to 222,456.06, 306,990.30 and 120,482.73 is: 166,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,456.06 : 306,990.30 = 120,482.73 : x
  2. Step 2: Convert to fraction form
    222,456.06/306,990.30 = 120,482.73/x
  3. Step 3: Cross multiply
    222,456.06x = 306,990.30 × 120,482.73
  4. Step 4: Simplify right side
    222,456.06x = 36,987,029,427.52
  5. Step 5: Solve for x
    x = 36,987,029,427.52/222,456.06
  6. Step 6: Final answer
    x = 166,266.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.