Home / 388,516.62-582,815.33-148,629.98

Finding the Fourth Proportional to 388,516.62, 582,815.33 and 148,629.98

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Solution

The fourth proportional to 388,516.62, 582,815.33 and 148,629.98 is: 222,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,516.62 : 582,815.33 = 148,629.98 : x
  2. Step 2: Convert to fraction form
    388,516.62/582,815.33 = 148,629.98/x
  3. Step 3: Cross multiply
    388,516.62x = 582,815.33 × 148,629.98
  4. Step 4: Simplify right side
    388,516.62x = 86,623,830,841.59
  5. Step 5: Solve for x
    x = 86,623,830,841.59/388,516.62
  6. Step 6: Final answer
    x = 222,960.43

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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.