Home / 330,621.20-456,257.55-179,718.20

Finding the Fourth Proportional to 330,621.20, 456,257.55 and 179,718.20

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Solution

The fourth proportional to 330,621.20, 456,257.55 and 179,718.20 is: 248,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,621.20 : 456,257.55 = 179,718.20 : x
  2. Step 2: Convert to fraction form
    330,621.20/456,257.55 = 179,718.20/x
  3. Step 3: Cross multiply
    330,621.20x = 456,257.55 × 179,718.20
  4. Step 4: Simplify right side
    330,621.20x = 81,997,783,341.12
  5. Step 5: Solve for x
    x = 81,997,783,341.12/330,621.20
  6. Step 6: Final answer
    x = 248,011.27

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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.