Home / 223,441.45-308,351.21-121,467.11

Finding the Fourth Proportional to 223,441.45, 308,351.21 and 121,467.11

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Solution

The fourth proportional to 223,441.45, 308,351.21 and 121,467.11 is: 167,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,441.45 : 308,351.21 = 121,467.11 : x
  2. Step 2: Convert to fraction form
    223,441.45/308,351.21 = 121,467.11/x
  3. Step 3: Cross multiply
    223,441.45x = 308,351.21 × 121,467.11
  4. Step 4: Simplify right side
    223,441.45x = 37,454,530,343.70
  5. Step 5: Solve for x
    x = 37,454,530,343.70/223,441.45
  6. Step 6: Final answer
    x = 167,625.70

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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.