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Finding the Fourth Proportional to 279,290.88, 418,834.26 and 101,745.36

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Solution

The fourth proportional to 279,290.88, 418,834.26 and 101,745.36 is: 152,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,290.88 : 418,834.26 = 101,745.36 : x
  2. Step 2: Convert to fraction form
    279,290.88/418,834.26 = 101,745.36/x
  3. Step 3: Cross multiply
    279,290.88x = 418,834.26 × 101,745.36
  4. Step 4: Simplify right side
    279,290.88x = 42,614,442,564.03
  5. Step 5: Solve for x
    x = 42,614,442,564.03/279,290.88
  6. Step 6: Final answer
    x = 152,580.86

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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.