Home / 215,308.20-296,817.39-151,447.80

Finding the Fourth Proportional to 215,308.20, 296,817.39 and 151,447.80

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Solution

The fourth proportional to 215,308.20, 296,817.39 and 151,447.80 is: 208,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,308.20 : 296,817.39 = 151,447.80 : x
  2. Step 2: Convert to fraction form
    215,308.20/296,817.39 = 151,447.80/x
  3. Step 3: Cross multiply
    215,308.20x = 296,817.39 × 151,447.80
  4. Step 4: Simplify right side
    215,308.20x = 44,952,340,717.24
  5. Step 5: Solve for x
    x = 44,952,340,717.24/215,308.20
  6. Step 6: Final answer
    x = 208,781.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.