Home / 321,284.94-481,923.82-131,702.95

Finding the Fourth Proportional to 321,284.94, 481,923.82 and 131,702.95

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Solution

The fourth proportional to 321,284.94, 481,923.82 and 131,702.95 is: 197,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,284.94 : 481,923.82 = 131,702.95 : x
  2. Step 2: Convert to fraction form
    321,284.94/481,923.82 = 131,702.95/x
  3. Step 3: Cross multiply
    321,284.94x = 481,923.82 × 131,702.95
  4. Step 4: Simplify right side
    321,284.94x = 63,470,788,769.27
  5. Step 5: Solve for x
    x = 63,470,788,769.27/321,284.94
  6. Step 6: Final answer
    x = 197,552.95

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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.