Home / 281,962.55-422,508.41-190,419.16

Finding the Fourth Proportional to 281,962.55, 422,508.41 and 190,419.16

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Solution

The fourth proportional to 281,962.55, 422,508.41 and 190,419.16 is: 285,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,962.55 : 422,508.41 = 190,419.16 : x
  2. Step 2: Convert to fraction form
    281,962.55/422,508.41 = 190,419.16/x
  3. Step 3: Cross multiply
    281,962.55x = 422,508.41 × 190,419.16
  4. Step 4: Simplify right side
    281,962.55x = 80,453,696,525.14
  5. Step 5: Solve for x
    x = 80,453,696,525.14/281,962.55
  6. Step 6: Final answer
    x = 285,334.69

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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.