Home / 221,926.28-306,241.68-126,414.32

Finding the Fourth Proportional to 221,926.28, 306,241.68 and 126,414.32

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Solution

The fourth proportional to 221,926.28, 306,241.68 and 126,414.32 is: 174,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,926.28 : 306,241.68 = 126,414.32 : x
  2. Step 2: Convert to fraction form
    221,926.28/306,241.68 = 126,414.32/x
  3. Step 3: Cross multiply
    221,926.28x = 306,241.68 × 126,414.32
  4. Step 4: Simplify right side
    221,926.28x = 38,713,333,732.86
  5. Step 5: Solve for x
    x = 38,713,333,732.86/221,926.28
  6. Step 6: Final answer
    x = 174,442.31

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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.