Home / 234,844.72-352,278.24-74,937.60

Finding the Fourth Proportional to 234,844.72, 352,278.24 and 74,937.60

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Solution

The fourth proportional to 234,844.72, 352,278.24 and 74,937.60 is: 112,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,844.72 : 352,278.24 = 74,937.60 : x
  2. Step 2: Convert to fraction form
    234,844.72/352,278.24 = 74,937.60/x
  3. Step 3: Cross multiply
    234,844.72x = 352,278.24 × 74,937.60
  4. Step 4: Simplify right side
    234,844.72x = 26,398,885,837.82
  5. Step 5: Solve for x
    x = 26,398,885,837.82/234,844.72
  6. Step 6: Final answer
    x = 112,409.96

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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.