Home / 301,087.60-451,631.40-123,721.90

Finding the Fourth Proportional to 301,087.60, 451,631.40 and 123,721.90

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Solution

The fourth proportional to 301,087.60, 451,631.40 and 123,721.90 is: 185,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,087.60 : 451,631.40 = 123,721.90 : x
  2. Step 2: Convert to fraction form
    301,087.60/451,631.40 = 123,721.90/x
  3. Step 3: Cross multiply
    301,087.60x = 451,631.40 × 123,721.90
  4. Step 4: Simplify right side
    301,087.60x = 55,876,694,907.66
  5. Step 5: Solve for x
    x = 55,876,694,907.66/301,087.60
  6. Step 6: Final answer
    x = 185,582.85

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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.