Home / 203,480.24-304,910.52-103,490.60

Finding the Fourth Proportional to 203,480.24, 304,910.52 and 103,490.60

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Solution

The fourth proportional to 203,480.24, 304,910.52 and 103,490.60 is: 155,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,480.24 : 304,910.52 = 103,490.60 : x
  2. Step 2: Convert to fraction form
    203,480.24/304,910.52 = 103,490.60/x
  3. Step 3: Cross multiply
    203,480.24x = 304,910.52 × 103,490.60
  4. Step 4: Simplify right side
    203,480.24x = 31,555,372,661.11
  5. Step 5: Solve for x
    x = 31,555,372,661.11/203,480.24
  6. Step 6: Final answer
    x = 155,078.31

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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.