Home / 269,022.16-403,090.30-187,977.39

Finding the Fourth Proportional to 269,022.16, 403,090.30 and 187,977.39

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Solution

The fourth proportional to 269,022.16, 403,090.30 and 187,977.39 is: 281,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,022.16 : 403,090.30 = 187,977.39 : x
  2. Step 2: Convert to fraction form
    269,022.16/403,090.30 = 187,977.39/x
  3. Step 3: Cross multiply
    269,022.16x = 403,090.30 × 187,977.39
  4. Step 4: Simplify right side
    269,022.16x = 75,771,862,528.32
  5. Step 5: Solve for x
    x = 75,771,862,528.32/269,022.16
  6. Step 6: Final answer
    x = 281,656.58

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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.