Home / 385,635.06-532,181.97-222,201.36

Finding the Fourth Proportional to 385,635.06, 532,181.97 and 222,201.36

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Solution

The fourth proportional to 385,635.06, 532,181.97 and 222,201.36 is: 306,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,635.06 : 532,181.97 = 222,201.36 : x
  2. Step 2: Convert to fraction form
    385,635.06/532,181.97 = 222,201.36/x
  3. Step 3: Cross multiply
    385,635.06x = 532,181.97 × 222,201.36
  4. Step 4: Simplify right side
    385,635.06x = 118,251,557,501.48
  5. Step 5: Solve for x
    x = 118,251,557,501.48/385,635.06
  6. Step 6: Final answer
    x = 306,641.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.