Home / 263,496.40-395,185.48-121,205.03

Finding the Fourth Proportional to 263,496.40, 395,185.48 and 121,205.03

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Solution

The fourth proportional to 263,496.40, 395,185.48 and 121,205.03 is: 181,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,496.40 : 395,185.48 = 121,205.03 : x
  2. Step 2: Convert to fraction form
    263,496.40/395,185.48 = 121,205.03/x
  3. Step 3: Cross multiply
    263,496.40x = 395,185.48 × 121,205.03
  4. Step 4: Simplify right side
    263,496.40x = 47,898,465,680.02
  5. Step 5: Solve for x
    x = 47,898,465,680.02/263,496.40
  6. Step 6: Final answer
    x = 181,780.34

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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.