Home / 286,183.20-429,136.56-167,892.96

Finding the Fourth Proportional to 286,183.20, 429,136.56 and 167,892.96

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Solution

The fourth proportional to 286,183.20, 429,136.56 and 167,892.96 is: 251,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,183.20 : 429,136.56 = 167,892.96 : x
  2. Step 2: Convert to fraction form
    286,183.20/429,136.56 = 167,892.96/x
  3. Step 3: Cross multiply
    286,183.20x = 429,136.56 × 167,892.96
  4. Step 4: Simplify right side
    286,183.20x = 72,049,007,302.62
  5. Step 5: Solve for x
    x = 72,049,007,302.62/286,183.20
  6. Step 6: Final answer
    x = 251,758.34

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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.