Home / 422,948.82-634,589.39-186,125.43

Finding the Fourth Proportional to 422,948.82, 634,589.39 and 186,125.43

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Solution

The fourth proportional to 422,948.82, 634,589.39 and 186,125.43 is: 279,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,948.82 : 634,589.39 = 186,125.43 : x
  2. Step 2: Convert to fraction form
    422,948.82/634,589.39 = 186,125.43/x
  3. Step 3: Cross multiply
    422,948.82x = 634,589.39 × 186,125.43
  4. Step 4: Simplify right side
    422,948.82x = 118,113,222,156.56
  5. Step 5: Solve for x
    x = 118,113,222,156.56/422,948.82
  6. Step 6: Final answer
    x = 279,261.26

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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.