Home / 281,741.02-422,748.24-123,949

Finding the Fourth Proportional to 281,741.02, 422,748.24 and 123,949

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Solution

The fourth proportional to 281,741.02, 422,748.24 and 123,949 is: 185,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,741.02 : 422,748.24 = 123,949 : x
  2. Step 2: Convert to fraction form
    281,741.02/422,748.24 = 123,949/x
  3. Step 3: Cross multiply
    281,741.02x = 422,748.24 × 123,949
  4. Step 4: Simplify right side
    281,741.02x = 52,399,221,599.76
  5. Step 5: Solve for x
    x = 52,399,221,599.76/281,741.02
  6. Step 6: Final answer
    x = 185,983.64

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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.