Home / 290,767.86-436,067.55-113,235.30

Finding the Fourth Proportional to 290,767.86, 436,067.55 and 113,235.30

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Solution

The fourth proportional to 290,767.86, 436,067.55 and 113,235.30 is: 169,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,767.86 : 436,067.55 = 113,235.30 : x
  2. Step 2: Convert to fraction form
    290,767.86/436,067.55 = 113,235.30/x
  3. Step 3: Cross multiply
    290,767.86x = 436,067.55 × 113,235.30
  4. Step 4: Simplify right side
    290,767.86x = 49,378,239,844.52
  5. Step 5: Solve for x
    x = 49,378,239,844.52/290,767.86
  6. Step 6: Final answer
    x = 169,820.14

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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.