Home / 395,096.76-592,702.20-128,791.44

Finding the Fourth Proportional to 395,096.76, 592,702.20 and 128,791.44

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Solution

The fourth proportional to 395,096.76, 592,702.20 and 128,791.44 is: 193,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,096.76 : 592,702.20 = 128,791.44 : x
  2. Step 2: Convert to fraction form
    395,096.76/592,702.20 = 128,791.44/x
  3. Step 3: Cross multiply
    395,096.76x = 592,702.20 × 128,791.44
  4. Step 4: Simplify right side
    395,096.76x = 76,334,969,829.17
  5. Step 5: Solve for x
    x = 76,334,969,829.17/395,096.76
  6. Step 6: Final answer
    x = 193,205.76

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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.