Home / 336,890.22-505,333.71-137,163.26

Finding the Fourth Proportional to 336,890.22, 505,333.71 and 137,163.26

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Solution

The fourth proportional to 336,890.22, 505,333.71 and 137,163.26 is: 205,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,890.22 : 505,333.71 = 137,163.26 : x
  2. Step 2: Convert to fraction form
    336,890.22/505,333.71 = 137,163.26/x
  3. Step 3: Cross multiply
    336,890.22x = 505,333.71 × 137,163.26
  4. Step 4: Simplify right side
    336,890.22x = 69,313,216,524.83
  5. Step 5: Solve for x
    x = 69,313,216,524.83/336,890.22
  6. Step 6: Final answer
    x = 205,744.22

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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.