Home / 330,359.40-455,878.98-179,456.04

Finding the Fourth Proportional to 330,359.40, 455,878.98 and 179,456.04

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Solution

The fourth proportional to 330,359.40, 455,878.98 and 179,456.04 is: 247,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,359.40 : 455,878.98 = 179,456.04 : x
  2. Step 2: Convert to fraction form
    330,359.40/455,878.98 = 179,456.04/x
  3. Step 3: Cross multiply
    330,359.40x = 455,878.98 × 179,456.04
  4. Step 4: Simplify right side
    330,359.40x = 81,810,236,470.04
  5. Step 5: Solve for x
    x = 81,810,236,470.04/330,359.40
  6. Step 6: Final answer
    x = 247,640.10

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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.