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Finding the Fourth Proportional to 279,050.38, 418,575.56 and 82,058.38

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Solution

The fourth proportional to 279,050.38, 418,575.56 and 82,058.38 is: 123,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,050.38 : 418,575.56 = 82,058.38 : x
  2. Step 2: Convert to fraction form
    279,050.38/418,575.56 = 82,058.38/x
  3. Step 3: Cross multiply
    279,050.38x = 418,575.56 × 82,058.38
  4. Step 4: Simplify right side
    279,050.38x = 34,347,632,361.19
  5. Step 5: Solve for x
    x = 34,347,632,361.19/279,050.38
  6. Step 6: Final answer
    x = 123,087.57

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1.5x scale

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.