Home / 330,285.90-455,777.55-179,382.54

Finding the Fourth Proportional to 330,285.90, 455,777.55 and 179,382.54

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Solution

The fourth proportional to 330,285.90, 455,777.55 and 179,382.54 is: 247,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,285.90 : 455,777.55 = 179,382.54 : x
  2. Step 2: Convert to fraction form
    330,285.90/455,777.55 = 179,382.54/x
  3. Step 3: Cross multiply
    330,285.90x = 455,777.55 × 179,382.54
  4. Step 4: Simplify right side
    330,285.90x = 81,758,534,593.98
  5. Step 5: Solve for x
    x = 81,758,534,593.98/330,285.90
  6. Step 6: Final answer
    x = 247,538.68

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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.