Home / 330,015.84-455,422.32-179,112.84

Finding the Fourth Proportional to 330,015.84, 455,422.32 and 179,112.84

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Solution

The fourth proportional to 330,015.84, 455,422.32 and 179,112.84 is: 247,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,015.84 : 455,422.32 = 179,112.84 : x
  2. Step 2: Convert to fraction form
    330,015.84/455,422.32 = 179,112.84/x
  3. Step 3: Cross multiply
    330,015.84x = 455,422.32 × 179,112.84
  4. Step 4: Simplify right side
    330,015.84x = 81,571,985,134.59
  5. Step 5: Solve for x
    x = 81,571,985,134.59/330,015.84
  6. Step 6: Final answer
    x = 247,175.97

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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.