Home / 643,147.56-964,867.14-222,427.08

Finding the Fourth Proportional to 643,147.56, 964,867.14 and 222,427.08

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Solution

The fourth proportional to 643,147.56, 964,867.14 and 222,427.08 is: 333,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,147.56 : 964,867.14 = 222,427.08 : x
  2. Step 2: Convert to fraction form
    643,147.56/964,867.14 = 222,427.08/x
  3. Step 3: Cross multiply
    643,147.56x = 964,867.14 × 222,427.08
  4. Step 4: Simplify right side
    643,147.56x = 214,612,580,538.15
  5. Step 5: Solve for x
    x = 214,612,580,538.15/643,147.56
  6. Step 6: Final answer
    x = 333,691.04

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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.