Home / 339,429.06-468,360.05-196,161.45

Finding the Fourth Proportional to 339,429.06, 468,360.05 and 196,161.45

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Solution

The fourth proportional to 339,429.06, 468,360.05 and 196,161.45 is: 270,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,429.06 : 468,360.05 = 196,161.45 : x
  2. Step 2: Convert to fraction form
    339,429.06/468,360.05 = 196,161.45/x
  3. Step 3: Cross multiply
    339,429.06x = 468,360.05 × 196,161.45
  4. Step 4: Simplify right side
    339,429.06x = 91,874,186,530.07
  5. Step 5: Solve for x
    x = 91,874,186,530.07/339,429.06
  6. Step 6: Final answer
    x = 270,672.72

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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.