Home / 290,791.35-436,008.42-113,091.26

Finding the Fourth Proportional to 290,791.35, 436,008.42 and 113,091.26

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Solution

The fourth proportional to 290,791.35, 436,008.42 and 113,091.26 is: 169,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,791.35 : 436,008.42 = 113,091.26 : x
  2. Step 2: Convert to fraction form
    290,791.35/436,008.42 = 113,091.26/x
  3. Step 3: Cross multiply
    290,791.35x = 436,008.42 × 113,091.26
  4. Step 4: Simplify right side
    290,791.35x = 49,308,739,408.37
  5. Step 5: Solve for x
    x = 49,308,739,408.37/290,791.35
  6. Step 6: Final answer
    x = 169,567.42

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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.