Home / 399,399.44-598,932.60-162,581.36

Finding the Fourth Proportional to 399,399.44, 598,932.60 and 162,581.36

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Solution

The fourth proportional to 399,399.44, 598,932.60 and 162,581.36 is: 243,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,399.44 : 598,932.60 = 162,581.36 : x
  2. Step 2: Convert to fraction form
    399,399.44/598,932.60 = 162,581.36/x
  3. Step 3: Cross multiply
    399,399.44x = 598,932.60 × 162,581.36
  4. Step 4: Simplify right side
    399,399.44x = 97,375,276,656.34
  5. Step 5: Solve for x
    x = 97,375,276,656.34/399,399.44
  6. Step 6: Final answer
    x = 243,804.24

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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.