Home / 331,865.80-457,974.64-180,962.80

Finding the Fourth Proportional to 331,865.80, 457,974.64 and 180,962.80

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Solution

The fourth proportional to 331,865.80, 457,974.64 and 180,962.80 is: 249,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,865.80 : 457,974.64 = 180,962.80 : x
  2. Step 2: Convert to fraction form
    331,865.80/457,974.64 = 180,962.80/x
  3. Step 3: Cross multiply
    331,865.80x = 457,974.64 × 180,962.80
  4. Step 4: Simplify right side
    331,865.80x = 82,876,373,183.39
  5. Step 5: Solve for x
    x = 82,876,373,183.39/331,865.80
  6. Step 6: Final answer
    x = 249,728.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.