Home / 378,926.56-523,107.60-235,732.64

Finding the Fourth Proportional to 378,926.56, 523,107.60 and 235,732.64

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Solution

The fourth proportional to 378,926.56, 523,107.60 and 235,732.64 is: 325,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,926.56 : 523,107.60 = 235,732.64 : x
  2. Step 2: Convert to fraction form
    378,926.56/523,107.60 = 235,732.64/x
  3. Step 3: Cross multiply
    378,926.56x = 523,107.60 × 235,732.64
  4. Step 4: Simplify right side
    378,926.56x = 123,313,535,552.06
  5. Step 5: Solve for x
    x = 123,313,535,552.06/378,926.56
  6. Step 6: Final answer
    x = 325,428.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.