Home / 330,436.20-455,996.34-179,532.12

Finding the Fourth Proportional to 330,436.20, 455,996.34 and 179,532.12

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Solution

The fourth proportional to 330,436.20, 455,996.34 and 179,532.12 is: 247,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,436.20 : 455,996.34 = 179,532.12 : x
  2. Step 2: Convert to fraction form
    330,436.20/455,996.34 = 179,532.12/x
  3. Step 3: Cross multiply
    330,436.20x = 455,996.34 × 179,532.12
  4. Step 4: Simplify right side
    330,436.20x = 81,865,989,632.44
  5. Step 5: Solve for x
    x = 81,865,989,632.44/330,436.20
  6. Step 6: Final answer
    x = 247,751.27

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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.