Home / 330,154.20-495,231.30-307,846.80

Finding the Fourth Proportional to 330,154.20, 495,231.30 and 307,846.80

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Solution

The fourth proportional to 330,154.20, 495,231.30 and 307,846.80 is: 461,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,154.20 : 495,231.30 = 307,846.80 : x
  2. Step 2: Convert to fraction form
    330,154.20/495,231.30 = 307,846.80/x
  3. Step 3: Cross multiply
    330,154.20x = 495,231.30 × 307,846.80
  4. Step 4: Simplify right side
    330,154.20x = 152,455,370,964.84
  5. Step 5: Solve for x
    x = 152,455,370,964.84/330,154.20
  6. Step 6: Final answer
    x = 461,770.20

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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.