Home / 427,249.20-641,253.96-227,734.32

Finding the Fourth Proportional to 427,249.20, 641,253.96 and 227,734.32

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Solution

The fourth proportional to 427,249.20, 641,253.96 and 227,734.32 is: 341,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,249.20 : 641,253.96 = 227,734.32 : x
  2. Step 2: Convert to fraction form
    427,249.20/641,253.96 = 227,734.32/x
  3. Step 3: Cross multiply
    427,249.20x = 641,253.96 × 227,734.32
  4. Step 4: Simplify right side
    427,249.20x = 146,035,534,527.91
  5. Step 5: Solve for x
    x = 146,035,534,527.91/427,249.20
  6. Step 6: Final answer
    x = 341,804.11

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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.