Home / 215,076.20-323,080.86-207,203

Finding the Fourth Proportional to 215,076.20, 323,080.86 and 207,203

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Solution

The fourth proportional to 215,076.20, 323,080.86 and 207,203 is: 311,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,076.20 : 323,080.86 = 207,203 : x
  2. Step 2: Convert to fraction form
    215,076.20/323,080.86 = 207,203/x
  3. Step 3: Cross multiply
    215,076.20x = 323,080.86 × 207,203
  4. Step 4: Simplify right side
    215,076.20x = 66,943,323,434.58
  5. Step 5: Solve for x
    x = 66,943,323,434.58/215,076.20
  6. Step 6: Final answer
    x = 311,253.98

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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.