Home / 222,444.15-306,971.38-120,467.28

Finding the Fourth Proportional to 222,444.15, 306,971.38 and 120,467.28

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Solution

The fourth proportional to 222,444.15, 306,971.38 and 120,467.28 is: 166,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,444.15 : 306,971.38 = 120,467.28 : x
  2. Step 2: Convert to fraction form
    222,444.15/306,971.38 = 120,467.28/x
  3. Step 3: Cross multiply
    222,444.15x = 306,971.38 × 120,467.28
  4. Step 4: Simplify right side
    222,444.15x = 36,980,007,186.45
  5. Step 5: Solve for x
    x = 36,980,007,186.45/222,444.15
  6. Step 6: Final answer
    x = 166,244.01

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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.