Home / 405,251.10-559,257.75-223,974.72

Finding the Fourth Proportional to 405,251.10, 559,257.75 and 223,974.72

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Solution

The fourth proportional to 405,251.10, 559,257.75 and 223,974.72 is: 309,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,251.10 : 559,257.75 = 223,974.72 : x
  2. Step 2: Convert to fraction form
    405,251.10/559,257.75 = 223,974.72/x
  3. Step 3: Cross multiply
    405,251.10x = 559,257.75 × 223,974.72
  4. Step 4: Simplify right side
    405,251.10x = 125,259,597,964.08
  5. Step 5: Solve for x
    x = 125,259,597,964.08/405,251.10
  6. Step 6: Final answer
    x = 309,091.32

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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.