Home / 284,860.40-426,772.20-231,983.60

Finding the Fourth Proportional to 284,860.40, 426,772.20 and 231,983.60

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Solution

The fourth proportional to 284,860.40, 426,772.20 and 231,983.60 is: 347,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,860.40 : 426,772.20 = 231,983.60 : x
  2. Step 2: Convert to fraction form
    284,860.40/426,772.20 = 231,983.60/x
  3. Step 3: Cross multiply
    284,860.40x = 426,772.20 × 231,983.60
  4. Step 4: Simplify right side
    284,860.40x = 99,004,151,335.92
  5. Step 5: Solve for x
    x = 99,004,151,335.92/284,860.40
  6. Step 6: Final answer
    x = 347,553.23

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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.