Home / 234,896.20-352,356.16-66,428.64

Finding the Fourth Proportional to 234,896.20, 352,356.16 and 66,428.64

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Solution

The fourth proportional to 234,896.20, 352,356.16 and 66,428.64 is: 99,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,896.20 : 352,356.16 = 66,428.64 : x
  2. Step 2: Convert to fraction form
    234,896.20/352,356.16 = 66,428.64/x
  3. Step 3: Cross multiply
    234,896.20x = 352,356.16 × 66,428.64
  4. Step 4: Simplify right side
    234,896.20x = 23,406,540,504.42
  5. Step 5: Solve for x
    x = 23,406,540,504.42/234,896.20
  6. Step 6: Final answer
    x = 99,646.31

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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.