Home / 277,739.87-382,910.56-208,536.44

Finding the Fourth Proportional to 277,739.87, 382,910.56 and 208,536.44

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Solution

The fourth proportional to 277,739.87, 382,910.56 and 208,536.44 is: 287,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,739.87 : 382,910.56 = 208,536.44 : x
  2. Step 2: Convert to fraction form
    277,739.87/382,910.56 = 208,536.44/x
  3. Step 3: Cross multiply
    277,739.87x = 382,910.56 × 208,536.44
  4. Step 4: Simplify right side
    277,739.87x = 79,850,802,584.91
  5. Step 5: Solve for x
    x = 79,850,802,584.91/277,739.87
  6. Step 6: Final answer
    x = 287,502.13

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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.