Home / 330,431.20-455,994.96-179,528.80

Finding the Fourth Proportional to 330,431.20, 455,994.96 and 179,528.80

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Solution

The fourth proportional to 330,431.20, 455,994.96 and 179,528.80 is: 247,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,431.20 : 455,994.96 = 179,528.80 : x
  2. Step 2: Convert to fraction form
    330,431.20/455,994.96 = 179,528.80/x
  3. Step 3: Cross multiply
    330,431.20x = 455,994.96 × 179,528.80
  4. Step 4: Simplify right side
    330,431.20x = 81,864,227,974.85
  5. Step 5: Solve for x
    x = 81,864,227,974.85/330,431.20
  6. Step 6: Final answer
    x = 247,749.69

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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.