Home / 198,315.88-297,156.68-178,173.60

Finding the Fourth Proportional to 198,315.88, 297,156.68 and 178,173.60

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Solution

The fourth proportional to 198,315.88, 297,156.68 and 178,173.60 is: 266,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,315.88 : 297,156.68 = 178,173.60 : x
  2. Step 2: Convert to fraction form
    198,315.88/297,156.68 = 178,173.60/x
  3. Step 3: Cross multiply
    198,315.88x = 297,156.68 × 178,173.60
  4. Step 4: Simplify right side
    198,315.88x = 52,945,475,439.65
  5. Step 5: Solve for x
    x = 52,945,475,439.65/198,315.88
  6. Step 6: Final answer
    x = 266,975.47

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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.