Home / 388,618.08-582,948.02-122,399.43

Finding the Fourth Proportional to 388,618.08, 582,948.02 and 122,399.43

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Solution

The fourth proportional to 388,618.08, 582,948.02 and 122,399.43 is: 183,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,618.08 : 582,948.02 = 122,399.43 : x
  2. Step 2: Convert to fraction form
    388,618.08/582,948.02 = 122,399.43/x
  3. Step 3: Cross multiply
    388,618.08x = 582,948.02 × 122,399.43
  4. Step 4: Simplify right side
    388,618.08x = 71,352,504,755.63
  5. Step 5: Solve for x
    x = 71,352,504,755.63/388,618.08
  6. Step 6: Final answer
    x = 183,605.73

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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.