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Finding the Fourth Proportional to 388,651.68, 582,998.37 and 122,433.03

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Solution

The fourth proportional to 388,651.68, 582,998.37 and 122,433.03 is: 183,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,651.68 : 582,998.37 = 122,433.03 : x
  2. Step 2: Convert to fraction form
    388,651.68/582,998.37 = 122,433.03/x
  3. Step 3: Cross multiply
    388,651.68x = 582,998.37 × 122,433.03
  4. Step 4: Simplify right side
    388,651.68x = 71,378,256,924.16
  5. Step 5: Solve for x
    x = 71,378,256,924.16/388,651.68
  6. Step 6: Final answer
    x = 183,656.11

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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.