Home / 486,165.35-729,248.01-131,179.36

Finding the Fourth Proportional to 486,165.35, 729,248.01 and 131,179.36

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Solution

The fourth proportional to 486,165.35, 729,248.01 and 131,179.36 is: 196,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,165.35 : 729,248.01 = 131,179.36 : x
  2. Step 2: Convert to fraction form
    486,165.35/729,248.01 = 131,179.36/x
  3. Step 3: Cross multiply
    486,165.35x = 729,248.01 × 131,179.36
  4. Step 4: Simplify right side
    486,165.35x = 95,662,284,918.03
  5. Step 5: Solve for x
    x = 95,662,284,918.03/486,165.35
  6. Step 6: Final answer
    x = 196,769.03

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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.