Home / 376,022.68-518,839.50-214,928.80

Finding the Fourth Proportional to 376,022.68, 518,839.50 and 214,928.80

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Solution

The fourth proportional to 376,022.68, 518,839.50 and 214,928.80 is: 296,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,022.68 : 518,839.50 = 214,928.80 : x
  2. Step 2: Convert to fraction form
    376,022.68/518,839.50 = 214,928.80/x
  3. Step 3: Cross multiply
    376,022.68x = 518,839.50 × 214,928.80
  4. Step 4: Simplify right side
    376,022.68x = 111,513,551,127.60
  5. Step 5: Solve for x
    x = 111,513,551,127.60/376,022.68
  6. Step 6: Final answer
    x = 296,560.71

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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.