Home / 222,326.22-306,809.55-121,723.50

Finding the Fourth Proportional to 222,326.22, 306,809.55 and 121,723.50

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Solution

The fourth proportional to 222,326.22, 306,809.55 and 121,723.50 is: 167,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,326.22 : 306,809.55 = 121,723.50 : x
  2. Step 2: Convert to fraction form
    222,326.22/306,809.55 = 121,723.50/x
  3. Step 3: Cross multiply
    222,326.22x = 306,809.55 × 121,723.50
  4. Step 4: Simplify right side
    222,326.22x = 37,345,932,259.43
  5. Step 5: Solve for x
    x = 37,345,932,259.43/222,326.22
  6. Step 6: Final answer
    x = 167,978.08

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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.