Home / 281,961.55-422,506.91-190,418.16

Finding the Fourth Proportional to 281,961.55, 422,506.91 and 190,418.16

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Solution

The fourth proportional to 281,961.55, 422,506.91 and 190,418.16 is: 285,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,961.55 : 422,506.91 = 190,418.16 : x
  2. Step 2: Convert to fraction form
    281,961.55/422,506.91 = 190,418.16/x
  3. Step 3: Cross multiply
    281,961.55x = 422,506.91 × 190,418.16
  4. Step 4: Simplify right side
    281,961.55x = 80,452,988,865.53
  5. Step 5: Solve for x
    x = 80,452,988,865.53/281,961.55
  6. Step 6: Final answer
    x = 285,333.19

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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.