Home / 257,935.22-386,844.91-108,344.42

Finding the Fourth Proportional to 257,935.22, 386,844.91 and 108,344.42

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Solution

The fourth proportional to 257,935.22, 386,844.91 and 108,344.42 is: 162,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,935.22 : 386,844.91 = 108,344.42 : x
  2. Step 2: Convert to fraction form
    257,935.22/386,844.91 = 108,344.42/x
  3. Step 3: Cross multiply
    257,935.22x = 386,844.91 × 108,344.42
  4. Step 4: Simplify right side
    257,935.22x = 41,912,487,403.90
  5. Step 5: Solve for x
    x = 41,912,487,403.90/257,935.22
  6. Step 6: Final answer
    x = 162,492.30

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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.