Home / 285,847.20-428,632.56-167,556.96

Finding the Fourth Proportional to 285,847.20, 428,632.56 and 167,556.96

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Solution

The fourth proportional to 285,847.20, 428,632.56 and 167,556.96 is: 251,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,847.20 : 428,632.56 = 167,556.96 : x
  2. Step 2: Convert to fraction form
    285,847.20/428,632.56 = 167,556.96/x
  3. Step 3: Cross multiply
    285,847.20x = 428,632.56 × 167,556.96
  4. Step 4: Simplify right side
    285,847.20x = 71,820,368,710.62
  5. Step 5: Solve for x
    x = 71,820,368,710.62/285,847.20
  6. Step 6: Final answer
    x = 251,254.41

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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.