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Finding the Fourth Proportional to 234,676.21, 352,025.25 and 68,464.21

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Solution

The fourth proportional to 234,676.21, 352,025.25 and 68,464.21 is: 102,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,676.21 : 352,025.25 = 68,464.21 : x
  2. Step 2: Convert to fraction form
    234,676.21/352,025.25 = 68,464.21/x
  3. Step 3: Cross multiply
    234,676.21x = 352,025.25 × 68,464.21
  4. Step 4: Simplify right side
    234,676.21x = 24,101,130,641.30
  5. Step 5: Solve for x
    x = 24,101,130,641.30/234,676.21
  6. Step 6: Final answer
    x = 102,699.51

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1.5x scale

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.