Home / 330,520.75-456,118.64-179,617.75

Finding the Fourth Proportional to 330,520.75, 456,118.64 and 179,617.75

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Solution

The fourth proportional to 330,520.75, 456,118.64 and 179,617.75 is: 247,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,520.75 : 456,118.64 = 179,617.75 : x
  2. Step 2: Convert to fraction form
    330,520.75/456,118.64 = 179,617.75/x
  3. Step 3: Cross multiply
    330,520.75x = 456,118.64 × 179,617.75
  4. Step 4: Simplify right side
    330,520.75x = 81,927,003,849.86
  5. Step 5: Solve for x
    x = 81,927,003,849.86/330,520.75
  6. Step 6: Final answer
    x = 247,872.50

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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.