Home / 211,273.86-291,560.22-115,778.50

Finding the Fourth Proportional to 211,273.86, 291,560.22 and 115,778.50

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Solution

The fourth proportional to 211,273.86, 291,560.22 and 115,778.50 is: 159,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,273.86 : 291,560.22 = 115,778.50 : x
  2. Step 2: Convert to fraction form
    211,273.86/291,560.22 = 115,778.50/x
  3. Step 3: Cross multiply
    211,273.86x = 291,560.22 × 115,778.50
  4. Step 4: Simplify right side
    211,273.86x = 33,756,404,641.82
  5. Step 5: Solve for x
    x = 33,756,404,641.82/211,273.86
  6. Step 6: Final answer
    x = 159,775.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.