Home / 388,363.66-582,566.25-122,144.93

Finding the Fourth Proportional to 388,363.66, 582,566.25 and 122,144.93

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Solution

The fourth proportional to 388,363.66, 582,566.25 and 122,144.93 is: 183,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,363.66 : 582,566.25 = 122,144.93 : x
  2. Step 2: Convert to fraction form
    388,363.66/582,566.25 = 122,144.93/x
  3. Step 3: Cross multiply
    388,363.66x = 582,566.25 × 122,144.93
  4. Step 4: Simplify right side
    388,363.66x = 71,157,515,418.11
  5. Step 5: Solve for x
    x = 71,157,515,418.11/388,363.66
  6. Step 6: Final answer
    x = 183,223.93

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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.