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Finding the Fourth Proportional to 223,477.45, 335,226.49 and 73,730.82

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Solution

The fourth proportional to 223,477.45, 335,226.49 and 73,730.82 is: 110,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,477.45 : 335,226.49 = 73,730.82 : x
  2. Step 2: Convert to fraction form
    223,477.45/335,226.49 = 73,730.82/x
  3. Step 3: Cross multiply
    223,477.45x = 335,226.49 × 73,730.82
  4. Step 4: Simplify right side
    223,477.45x = 24,716,523,993.42
  5. Step 5: Solve for x
    x = 24,716,523,993.42/223,477.45
  6. Step 6: Final answer
    x = 110,599.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.