Home / 330,396.12-455,943.60-179,493.12

Finding the Fourth Proportional to 330,396.12, 455,943.60 and 179,493.12

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Solution

The fourth proportional to 330,396.12, 455,943.60 and 179,493.12 is: 247,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,396.12 : 455,943.60 = 179,493.12 : x
  2. Step 2: Convert to fraction form
    330,396.12/455,943.60 = 179,493.12/x
  3. Step 3: Cross multiply
    330,396.12x = 455,943.60 × 179,493.12
  4. Step 4: Simplify right side
    330,396.12x = 81,838,739,308.03
  5. Step 5: Solve for x
    x = 81,838,739,308.03/330,396.12
  6. Step 6: Final answer
    x = 247,698.85

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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.