Home / 245,469.20-367,685.40-219,203.60

Finding the Fourth Proportional to 245,469.20, 367,685.40 and 219,203.60

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Solution

The fourth proportional to 245,469.20, 367,685.40 and 219,203.60 is: 328,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,469.20 : 367,685.40 = 219,203.60 : x
  2. Step 2: Convert to fraction form
    245,469.20/367,685.40 = 219,203.60/x
  3. Step 3: Cross multiply
    245,469.20x = 367,685.40 × 219,203.60
  4. Step 4: Simplify right side
    245,469.20x = 80,597,963,347.44
  5. Step 5: Solve for x
    x = 80,597,963,347.44/245,469.20
  6. Step 6: Final answer
    x = 328,342.47

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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.