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Finding the Fourth Proportional to 221,797.95, 306,080.84 and 126,304.67

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Solution

The fourth proportional to 221,797.95, 306,080.84 and 126,304.67 is: 174,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,797.95 : 306,080.84 = 126,304.67 : x
  2. Step 2: Convert to fraction form
    221,797.95/306,080.84 = 126,304.67/x
  3. Step 3: Cross multiply
    221,797.95x = 306,080.84 × 126,304.67
  4. Step 4: Simplify right side
    221,797.95x = 38,659,439,489.52
  5. Step 5: Solve for x
    x = 38,659,439,489.52/221,797.95
  6. Step 6: Final answer
    x = 174,300.26

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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.