Home / 361,818.47-499,340.15-200,725.43

Finding the Fourth Proportional to 361,818.47, 499,340.15 and 200,725.43

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Solution

The fourth proportional to 361,818.47, 499,340.15 and 200,725.43 is: 277,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,818.47 : 499,340.15 = 200,725.43 : x
  2. Step 2: Convert to fraction form
    361,818.47/499,340.15 = 200,725.43/x
  3. Step 3: Cross multiply
    361,818.47x = 499,340.15 × 200,725.43
  4. Step 4: Simplify right side
    361,818.47x = 100,230,262,824.69
  5. Step 5: Solve for x
    x = 100,230,262,824.69/361,818.47
  6. Step 6: Final answer
    x = 277,018.10

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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.