Home / 221,776.22-306,054.11-126,283.30

Finding the Fourth Proportional to 221,776.22, 306,054.11 and 126,283.30

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Solution

The fourth proportional to 221,776.22, 306,054.11 and 126,283.30 is: 174,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,776.22 : 306,054.11 = 126,283.30 : x
  2. Step 2: Convert to fraction form
    221,776.22/306,054.11 = 126,283.30/x
  3. Step 3: Cross multiply
    221,776.22x = 306,054.11 × 126,283.30
  4. Step 4: Simplify right side
    221,776.22x = 38,649,522,989.36
  5. Step 5: Solve for x
    x = 38,649,522,989.36/221,776.22
  6. Step 6: Final answer
    x = 174,272.62

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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.