Home / 409,039.24-613,706.46-142,839.04

Finding the Fourth Proportional to 409,039.24, 613,706.46 and 142,839.04

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Solution

The fourth proportional to 409,039.24, 613,706.46 and 142,839.04 is: 214,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,039.24 : 613,706.46 = 142,839.04 : x
  2. Step 2: Convert to fraction form
    409,039.24/613,706.46 = 142,839.04/x
  3. Step 3: Cross multiply
    409,039.24x = 613,706.46 × 142,839.04
  4. Step 4: Simplify right side
    409,039.24x = 87,661,241,588.20
  5. Step 5: Solve for x
    x = 87,661,241,588.20/409,039.24
  6. Step 6: Final answer
    x = 214,310.10

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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.