Home / 306,241.29-422,475.21-178,841.25

Finding the Fourth Proportional to 306,241.29, 422,475.21 and 178,841.25

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Solution

The fourth proportional to 306,241.29, 422,475.21 and 178,841.25 is: 246,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,241.29 : 422,475.21 = 178,841.25 : x
  2. Step 2: Convert to fraction form
    306,241.29/422,475.21 = 178,841.25/x
  3. Step 3: Cross multiply
    306,241.29x = 422,475.21 × 178,841.25
  4. Step 4: Simplify right side
    306,241.29x = 75,555,994,650.41
  5. Step 5: Solve for x
    x = 75,555,994,650.41/306,241.29
  6. Step 6: Final answer
    x = 246,720.47

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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.