Home / 339,389.14-468,329.70-196,158.46

Finding the Fourth Proportional to 339,389.14, 468,329.70 and 196,158.46

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Solution

The fourth proportional to 339,389.14, 468,329.70 and 196,158.46 is: 270,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,389.14 : 468,329.70 = 196,158.46 : x
  2. Step 2: Convert to fraction form
    339,389.14/468,329.70 = 196,158.46/x
  3. Step 3: Cross multiply
    339,389.14x = 468,329.70 × 196,158.46
  4. Step 4: Simplify right side
    339,389.14x = 91,866,832,724.26
  5. Step 5: Solve for x
    x = 91,866,832,724.26/339,389.14
  6. Step 6: Final answer
    x = 270,682.89

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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.