Home / 325,485.30-448,869.96-223,330.53

Finding the Fourth Proportional to 325,485.30, 448,869.96 and 223,330.53

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Solution

The fourth proportional to 325,485.30, 448,869.96 and 223,330.53 is: 307,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,485.30 : 448,869.96 = 223,330.53 : x
  2. Step 2: Convert to fraction form
    325,485.30/448,869.96 = 223,330.53/x
  3. Step 3: Cross multiply
    325,485.30x = 448,869.96 × 223,330.53
  4. Step 4: Simplify right side
    325,485.30x = 100,246,366,067.88
  5. Step 5: Solve for x
    x = 100,246,366,067.88/325,485.30
  6. Step 6: Final answer
    x = 307,990.46

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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.