Home / 339,285.36-468,230.04-196,064.40

Finding the Fourth Proportional to 339,285.36, 468,230.04 and 196,064.40

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Solution

The fourth proportional to 339,285.36, 468,230.04 and 196,064.40 is: 270,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,285.36 : 468,230.04 = 196,064.40 : x
  2. Step 2: Convert to fraction form
    339,285.36/468,230.04 = 196,064.40/x
  3. Step 3: Cross multiply
    339,285.36x = 468,230.04 × 196,064.40
  4. Step 4: Simplify right side
    339,285.36x = 91,803,241,854.58
  5. Step 5: Solve for x
    x = 91,803,241,854.58/339,285.36
  6. Step 6: Final answer
    x = 270,578.26

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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.