Home / 299,612.10-449,522.91-187,160.43

Finding the Fourth Proportional to 299,612.10, 449,522.91 and 187,160.43

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Solution

The fourth proportional to 299,612.10, 449,522.91 and 187,160.43 is: 280,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,612.10 : 449,522.91 = 187,160.43 : x
  2. Step 2: Convert to fraction form
    299,612.10/449,522.91 = 187,160.43/x
  3. Step 3: Cross multiply
    299,612.10x = 449,522.91 × 187,160.43
  4. Step 4: Simplify right side
    299,612.10x = 84,132,901,130.45
  5. Step 5: Solve for x
    x = 84,132,901,130.45/299,612.10
  6. Step 6: Final answer
    x = 280,806.09

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1.5x scale

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.