Home / 277,189.14-415,780.06-66,825.39

Finding the Fourth Proportional to 277,189.14, 415,780.06 and 66,825.39

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Solution

The fourth proportional to 277,189.14, 415,780.06 and 66,825.39 is: 100,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,189.14 : 415,780.06 = 66,825.39 : x
  2. Step 2: Convert to fraction form
    277,189.14/415,780.06 = 66,825.39/x
  3. Step 3: Cross multiply
    277,189.14x = 415,780.06 × 66,825.39
  4. Step 4: Simplify right side
    277,189.14x = 27,784,664,663.72
  5. Step 5: Solve for x
    x = 27,784,664,663.72/277,189.14
  6. Step 6: Final answer
    x = 100,237.21

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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.