Home / 327,630.37-491,563.81-114,429.66

Finding the Fourth Proportional to 327,630.37, 491,563.81 and 114,429.66

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Solution

The fourth proportional to 327,630.37, 491,563.81 and 114,429.66 is: 171,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,630.37 : 491,563.81 = 114,429.66 : x
  2. Step 2: Convert to fraction form
    327,630.37/491,563.81 = 114,429.66/x
  3. Step 3: Cross multiply
    327,630.37x = 491,563.81 × 114,429.66
  4. Step 4: Simplify right side
    327,630.37x = 56,249,478,131.62
  5. Step 5: Solve for x
    x = 56,249,478,131.62/327,630.37
  6. Step 6: Final answer
    x = 171,685.79

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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.