Home / 330,836.20-496,254.30-294,893.80

Finding the Fourth Proportional to 330,836.20, 496,254.30 and 294,893.80

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Solution

The fourth proportional to 330,836.20, 496,254.30 and 294,893.80 is: 442,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,836.20 : 496,254.30 = 294,893.80 : x
  2. Step 2: Convert to fraction form
    330,836.20/496,254.30 = 294,893.80/x
  3. Step 3: Cross multiply
    330,836.20x = 496,254.30 × 294,893.80
  4. Step 4: Simplify right side
    330,836.20x = 146,342,316,293.34
  5. Step 5: Solve for x
    x = 146,342,316,293.34/330,836.20
  6. Step 6: Final answer
    x = 442,340.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.