Home / 351,582.36-485,270.46-200,766.84

Finding the Fourth Proportional to 351,582.36, 485,270.46 and 200,766.84

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Solution

The fourth proportional to 351,582.36, 485,270.46 and 200,766.84 is: 277,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,582.36 : 485,270.46 = 200,766.84 : x
  2. Step 2: Convert to fraction form
    351,582.36/485,270.46 = 200,766.84/x
  3. Step 3: Cross multiply
    351,582.36x = 485,270.46 × 200,766.84
  4. Step 4: Simplify right side
    351,582.36x = 97,426,216,799.55
  5. Step 5: Solve for x
    x = 97,426,216,799.55/351,582.36
  6. Step 6: Final answer
    x = 277,107.81

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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.