Home / 330,006.52-455,409.20-179,103.52

Finding the Fourth Proportional to 330,006.52, 455,409.20 and 179,103.52

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Solution

The fourth proportional to 330,006.52, 455,409.20 and 179,103.52 is: 247,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,006.52 : 455,409.20 = 179,103.52 : x
  2. Step 2: Convert to fraction form
    330,006.52/455,409.20 = 179,103.52/x
  3. Step 3: Cross multiply
    330,006.52x = 455,409.20 × 179,103.52
  4. Step 4: Simplify right side
    330,006.52x = 81,565,391,777.40
  5. Step 5: Solve for x
    x = 81,565,391,777.40/330,006.52
  6. Step 6: Final answer
    x = 247,162.97

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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.