Home / 388,192.82-582,296.43-121,948.34

Finding the Fourth Proportional to 388,192.82, 582,296.43 and 121,948.34

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Solution

The fourth proportional to 388,192.82, 582,296.43 and 121,948.34 is: 182,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,192.82 : 582,296.43 = 121,948.34 : x
  2. Step 2: Convert to fraction form
    388,192.82/582,296.43 = 121,948.34/x
  3. Step 3: Cross multiply
    388,192.82x = 582,296.43 × 121,948.34
  4. Step 4: Simplify right side
    388,192.82x = 71,010,083,026.43
  5. Step 5: Solve for x
    x = 71,010,083,026.43/388,192.82
  6. Step 6: Final answer
    x = 182,924.77

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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.