Home / 234,215.20-351,125.92-189,731.64

Finding the Fourth Proportional to 234,215.20, 351,125.92 and 189,731.64

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Solution

The fourth proportional to 234,215.20, 351,125.92 and 189,731.64 is: 284,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,215.20 : 351,125.92 = 189,731.64 : x
  2. Step 2: Convert to fraction form
    234,215.20/351,125.92 = 189,731.64/x
  3. Step 3: Cross multiply
    234,215.20x = 351,125.92 × 189,731.64
  4. Step 4: Simplify right side
    234,215.20x = 66,619,696,648.11
  5. Step 5: Solve for x
    x = 66,619,696,648.11/234,215.20
  6. Step 6: Final answer
    x = 284,437.97

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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.