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Finding the Fourth Proportional to 219,575.88, 329,109.48 and 100,998.36

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Solution

The fourth proportional to 219,575.88, 329,109.48 and 100,998.36 is: 151,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,575.88 : 329,109.48 = 100,998.36 : x
  2. Step 2: Convert to fraction form
    219,575.88/329,109.48 = 100,998.36/x
  3. Step 3: Cross multiply
    219,575.88x = 329,109.48 × 100,998.36
  4. Step 4: Simplify right side
    219,575.88x = 33,239,517,740.45
  5. Step 5: Solve for x
    x = 33,239,517,740.45/219,575.88
  6. Step 6: Final answer
    x = 151,380.55

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1.5x scale

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.