Home / 451,949.82-677,928.60-114,990.77

Finding the Fourth Proportional to 451,949.82, 677,928.60 and 114,990.77

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Solution

The fourth proportional to 451,949.82, 677,928.60 and 114,990.77 is: 172,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,949.82 : 677,928.60 = 114,990.77 : x
  2. Step 2: Convert to fraction form
    451,949.82/677,928.60 = 114,990.77/x
  3. Step 3: Cross multiply
    451,949.82x = 677,928.60 × 114,990.77
  4. Step 4: Simplify right side
    451,949.82x = 77,955,528,329.38
  5. Step 5: Solve for x
    x = 77,955,528,329.38/451,949.82
  6. Step 6: Final answer
    x = 172,487.13

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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.