Home / 379,743.66-524,098.35-228,811.50

Finding the Fourth Proportional to 379,743.66, 524,098.35 and 228,811.50

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Solution

The fourth proportional to 379,743.66, 524,098.35 and 228,811.50 is: 315,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,743.66 : 524,098.35 = 228,811.50 : x
  2. Step 2: Convert to fraction form
    379,743.66/524,098.35 = 228,811.50/x
  3. Step 3: Cross multiply
    379,743.66x = 524,098.35 × 228,811.50
  4. Step 4: Simplify right side
    379,743.66x = 119,919,729,611.03
  5. Step 5: Solve for x
    x = 119,919,729,611.03/379,743.66
  6. Step 6: Final answer
    x = 315,791.26

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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.