Home / 221,738.46-305,908.46-163,734.18

Finding the Fourth Proportional to 221,738.46, 305,908.46 and 163,734.18

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Solution

The fourth proportional to 221,738.46, 305,908.46 and 163,734.18 is: 225,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,738.46 : 305,908.46 = 163,734.18 : x
  2. Step 2: Convert to fraction form
    221,738.46/305,908.46 = 163,734.18/x
  3. Step 3: Cross multiply
    221,738.46x = 305,908.46 × 163,734.18
  4. Step 4: Simplify right side
    221,738.46x = 50,087,670,853.16
  5. Step 5: Solve for x
    x = 50,087,670,853.16/221,738.46
  6. Step 6: Final answer
    x = 225,886.26

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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.