Home / 234,930.24-352,392.21-57,438.78

Finding the Fourth Proportional to 234,930.24, 352,392.21 and 57,438.78

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Solution

The fourth proportional to 234,930.24, 352,392.21 and 57,438.78 is: 86,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,930.24 : 352,392.21 = 57,438.78 : x
  2. Step 2: Convert to fraction form
    234,930.24/352,392.21 = 57,438.78/x
  3. Step 3: Cross multiply
    234,930.24x = 352,392.21 × 57,438.78
  4. Step 4: Simplify right side
    234,930.24x = 20,240,978,623.90
  5. Step 5: Solve for x
    x = 20,240,978,623.90/234,930.24
  6. Step 6: Final answer
    x = 86,157.40

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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.