Home / 388,243.05-582,277.09-151,463.85

Finding the Fourth Proportional to 388,243.05, 582,277.09 and 151,463.85

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Solution

The fourth proportional to 388,243.05, 582,277.09 and 151,463.85 is: 227,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,243.05 : 582,277.09 = 151,463.85 : x
  2. Step 2: Convert to fraction form
    388,243.05/582,277.09 = 151,463.85/x
  3. Step 3: Cross multiply
    388,243.05x = 582,277.09 × 151,463.85
  4. Step 4: Simplify right side
    388,243.05x = 88,193,929,818.20
  5. Step 5: Solve for x
    x = 88,193,929,818.20/388,243.05
  6. Step 6: Final answer
    x = 227,161.64

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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.