Home / 257,244.82-385,867.44-107,403.42

Finding the Fourth Proportional to 257,244.82, 385,867.44 and 107,403.42

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Solution

The fourth proportional to 257,244.82, 385,867.44 and 107,403.42 is: 161,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,244.82 : 385,867.44 = 107,403.42 : x
  2. Step 2: Convert to fraction form
    257,244.82/385,867.44 = 107,403.42/x
  3. Step 3: Cross multiply
    257,244.82x = 385,867.44 × 107,403.42
  4. Step 4: Simplify right side
    257,244.82x = 41,443,482,722.64
  5. Step 5: Solve for x
    x = 41,443,482,722.64/257,244.82
  6. Step 6: Final answer
    x = 161,105.22

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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.