Home / 336,918.98-505,376.40-84,198.17

Finding the Fourth Proportional to 336,918.98, 505,376.40 and 84,198.17

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Solution

The fourth proportional to 336,918.98, 505,376.40 and 84,198.17 is: 126,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,918.98 : 505,376.40 = 84,198.17 : x
  2. Step 2: Convert to fraction form
    336,918.98/505,376.40 = 84,198.17/x
  3. Step 3: Cross multiply
    336,918.98x = 505,376.40 × 84,198.17
  4. Step 4: Simplify right side
    336,918.98x = 42,551,765,514.31
  5. Step 5: Solve for x
    x = 42,551,765,514.31/336,918.98
  6. Step 6: Final answer
    x = 126,296.73

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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.