Home / 221,041.26-331,659.90-115,835.22

Finding the Fourth Proportional to 221,041.26, 331,659.90 and 115,835.22

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Solution

The fourth proportional to 221,041.26, 331,659.90 and 115,835.22 is: 173,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,041.26 : 331,659.90 = 115,835.22 : x
  2. Step 2: Convert to fraction form
    221,041.26/331,659.90 = 115,835.22/x
  3. Step 3: Cross multiply
    221,041.26x = 331,659.90 × 115,835.22
  4. Step 4: Simplify right side
    221,041.26x = 38,417,897,481.68
  5. Step 5: Solve for x
    x = 38,417,897,481.68/221,041.26
  6. Step 6: Final answer
    x = 173,804.19

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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.