Home / 277,220.70-415,829.79-108,621.90

Finding the Fourth Proportional to 277,220.70, 415,829.79 and 108,621.90

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Solution

The fourth proportional to 277,220.70, 415,829.79 and 108,621.90 is: 162,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,220.70 : 415,829.79 = 108,621.90 : x
  2. Step 2: Convert to fraction form
    277,220.70/415,829.79 = 108,621.90/x
  3. Step 3: Cross multiply
    277,220.70x = 415,829.79 × 108,621.90
  4. Step 4: Simplify right side
    277,220.70x = 45,168,221,866.40
  5. Step 5: Solve for x
    x = 45,168,221,866.40/277,220.70
  6. Step 6: Final answer
    x = 162,932.36

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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.