Home / 382,007.11-527,054.84-228,989.47

Finding the Fourth Proportional to 382,007.11, 527,054.84 and 228,989.47

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Solution

The fourth proportional to 382,007.11, 527,054.84 and 228,989.47 is: 315,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,007.11 : 527,054.84 = 228,989.47 : x
  2. Step 2: Convert to fraction form
    382,007.11/527,054.84 = 228,989.47/x
  3. Step 3: Cross multiply
    382,007.11x = 527,054.84 × 228,989.47
  4. Step 4: Simplify right side
    382,007.11x = 120,690,007,986.41
  5. Step 5: Solve for x
    x = 120,690,007,986.41/382,007.11
  6. Step 6: Final answer
    x = 315,936.55

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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.