Home / 222,327.22-306,810.93-121,724.50

Finding the Fourth Proportional to 222,327.22, 306,810.93 and 121,724.50

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Solution

The fourth proportional to 222,327.22, 306,810.93 and 121,724.50 is: 167,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,327.22 : 306,810.93 = 121,724.50 : x
  2. Step 2: Convert to fraction form
    222,327.22/306,810.93 = 121,724.50/x
  3. Step 3: Cross multiply
    222,327.22x = 306,810.93 × 121,724.50
  4. Step 4: Simplify right side
    222,327.22x = 37,346,407,048.79
  5. Step 5: Solve for x
    x = 37,346,407,048.79/222,327.22
  6. Step 6: Final answer
    x = 167,979.46

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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.