Home / 221,786.55-306,065.12-126,293.24

Finding the Fourth Proportional to 221,786.55, 306,065.12 and 126,293.24

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Solution

The fourth proportional to 221,786.55, 306,065.12 and 126,293.24 is: 174,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,786.55 : 306,065.12 = 126,293.24 : x
  2. Step 2: Convert to fraction form
    221,786.55/306,065.12 = 126,293.24/x
  3. Step 3: Cross multiply
    221,786.55x = 306,065.12 × 126,293.24
  4. Step 4: Simplify right side
    221,786.55x = 38,653,955,655.79
  5. Step 5: Solve for x
    x = 38,653,955,655.79/221,786.55
  6. Step 6: Final answer
    x = 174,284.49

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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.