Home / 422,913.26-634,486.98-195,278.35

Finding the Fourth Proportional to 422,913.26, 634,486.98 and 195,278.35

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Solution

The fourth proportional to 422,913.26, 634,486.98 and 195,278.35 is: 292,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,913.26 : 634,486.98 = 195,278.35 : x
  2. Step 2: Convert to fraction form
    422,913.26/634,486.98 = 195,278.35/x
  3. Step 3: Cross multiply
    422,913.26x = 634,486.98 × 195,278.35
  4. Step 4: Simplify right side
    422,913.26x = 123,901,570,550.88
  5. Step 5: Solve for x
    x = 123,901,570,550.88/422,913.26
  6. Step 6: Final answer
    x = 292,971.59

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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.