Home / 222,245.06-306,698.15-120,270.50

Finding the Fourth Proportional to 222,245.06, 306,698.15 and 120,270.50

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Solution

The fourth proportional to 222,245.06, 306,698.15 and 120,270.50 is: 165,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,245.06 : 306,698.15 = 120,270.50 : x
  2. Step 2: Convert to fraction form
    222,245.06/306,698.15 = 120,270.50/x
  3. Step 3: Cross multiply
    222,245.06x = 306,698.15 × 120,270.50
  4. Step 4: Simplify right side
    222,245.06x = 36,886,739,383.51
  5. Step 5: Solve for x
    x = 36,886,739,383.51/222,245.06
  6. Step 6: Final answer
    x = 165,973.27

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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.