Home / 285,066.21-427,746.87-206,826.24

Finding the Fourth Proportional to 285,066.21, 427,746.87 and 206,826.24

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Solution

The fourth proportional to 285,066.21, 427,746.87 and 206,826.24 is: 310,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,066.21 : 427,746.87 = 206,826.24 : x
  2. Step 2: Convert to fraction form
    285,066.21/427,746.87 = 206,826.24/x
  3. Step 3: Cross multiply
    285,066.21x = 427,746.87 × 206,826.24
  4. Step 4: Simplify right side
    285,066.21x = 88,469,276,793.87
  5. Step 5: Solve for x
    x = 88,469,276,793.87/285,066.21
  6. Step 6: Final answer
    x = 310,346.42

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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.