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Finding the Fourth Proportional to 395,680.75, 593,519.56 and 96,162.21

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Solution

The fourth proportional to 395,680.75, 593,519.56 and 96,162.21 is: 144,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,680.75 : 593,519.56 = 96,162.21 : x
  2. Step 2: Convert to fraction form
    395,680.75/593,519.56 = 96,162.21/x
  3. Step 3: Cross multiply
    395,680.75x = 593,519.56 × 96,162.21
  4. Step 4: Simplify right side
    395,680.75x = 57,074,152,327.42
  5. Step 5: Solve for x
    x = 57,074,152,327.42/395,680.75
  6. Step 6: Final answer
    x = 144,242.93

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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.