Home / 221,775.22-306,052.73-126,282.30

Finding the Fourth Proportional to 221,775.22, 306,052.73 and 126,282.30

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Solution

The fourth proportional to 221,775.22, 306,052.73 and 126,282.30 is: 174,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,775.22 : 306,052.73 = 126,282.30 : x
  2. Step 2: Convert to fraction form
    221,775.22/306,052.73 = 126,282.30/x
  3. Step 3: Cross multiply
    221,775.22x = 306,052.73 × 126,282.30
  4. Step 4: Simplify right side
    221,775.22x = 38,649,042,665.68
  5. Step 5: Solve for x
    x = 38,649,042,665.68/221,775.22
  6. Step 6: Final answer
    x = 174,271.24

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1.5x scale

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.