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Finding the Fourth Proportional to 407,222.87, 562,035.04 and 225,993.04

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Solution

The fourth proportional to 407,222.87, 562,035.04 and 225,993.04 is: 311,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,222.87 : 562,035.04 = 225,993.04 : x
  2. Step 2: Convert to fraction form
    407,222.87/562,035.04 = 225,993.04/x
  3. Step 3: Cross multiply
    407,222.87x = 562,035.04 × 225,993.04
  4. Step 4: Simplify right side
    407,222.87x = 127,016,005,306.05
  5. Step 5: Solve for x
    x = 127,016,005,306.05/407,222.87
  6. Step 6: Final answer
    x = 311,907.84

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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.