Home / 330,342.20-455,860.05-179,435.96

Finding the Fourth Proportional to 330,342.20, 455,860.05 and 179,435.96

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Solution

The fourth proportional to 330,342.20, 455,860.05 and 179,435.96 is: 247,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,342.20 : 455,860.05 = 179,435.96 : x
  2. Step 2: Convert to fraction form
    330,342.20/455,860.05 = 179,435.96/x
  3. Step 3: Cross multiply
    330,342.20x = 455,860.05 × 179,435.96
  4. Step 4: Simplify right side
    330,342.20x = 81,797,685,464.02
  5. Step 5: Solve for x
    x = 81,797,685,464.02/330,342.20
  6. Step 6: Final answer
    x = 247,615.01

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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.