Home / 658,614.82-987,987.96-178,850.43

Finding the Fourth Proportional to 658,614.82, 987,987.96 and 178,850.43

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Solution

The fourth proportional to 658,614.82, 987,987.96 and 178,850.43 is: 268,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,614.82 : 987,987.96 = 178,850.43 : x
  2. Step 2: Convert to fraction form
    658,614.82/987,987.96 = 178,850.43/x
  3. Step 3: Cross multiply
    658,614.82x = 987,987.96 × 178,850.43
  4. Step 4: Simplify right side
    658,614.82x = 176,702,070,977.81
  5. Step 5: Solve for x
    x = 176,702,070,977.81/658,614.82
  6. Step 6: Final answer
    x = 268,293.49

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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.