Home / 259,261.82-389,013.02-109,537.07

Finding the Fourth Proportional to 259,261.82, 389,013.02 and 109,537.07

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Solution

The fourth proportional to 259,261.82, 389,013.02 and 109,537.07 is: 164,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,261.82 : 389,013.02 = 109,537.07 : x
  2. Step 2: Convert to fraction form
    259,261.82/389,013.02 = 109,537.07/x
  3. Step 3: Cross multiply
    259,261.82x = 389,013.02 × 109,537.07
  4. Step 4: Simplify right side
    259,261.82x = 42,611,346,402.65
  5. Step 5: Solve for x
    x = 42,611,346,402.65/259,261.82
  6. Step 6: Final answer
    x = 164,356.43

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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.