Home / 330,327.12-455,848.92-179,425.20

Finding the Fourth Proportional to 330,327.12, 455,848.92 and 179,425.20

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Solution

The fourth proportional to 330,327.12, 455,848.92 and 179,425.20 is: 247,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,327.12 : 455,848.92 = 179,425.20 : x
  2. Step 2: Convert to fraction form
    330,327.12/455,848.92 = 179,425.20/x
  3. Step 3: Cross multiply
    330,327.12x = 455,848.92 × 179,425.20
  4. Step 4: Simplify right side
    330,327.12x = 81,790,783,640.78
  5. Step 5: Solve for x
    x = 81,790,783,640.78/330,327.12
  6. Step 6: Final answer
    x = 247,605.42

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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.