Home / 300,150.40-449,463.57-180,131.80

Finding the Fourth Proportional to 300,150.40, 449,463.57 and 180,131.80

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Solution

The fourth proportional to 300,150.40, 449,463.57 and 180,131.80 is: 269,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,150.40 : 449,463.57 = 180,131.80 : x
  2. Step 2: Convert to fraction form
    300,150.40/449,463.57 = 180,131.80/x
  3. Step 3: Cross multiply
    300,150.40x = 449,463.57 × 180,131.80
  4. Step 4: Simplify right side
    300,150.40x = 80,962,681,898.53
  5. Step 5: Solve for x
    x = 80,962,681,898.53/300,150.40
  6. Step 6: Final answer
    x = 269,740.38

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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.