Home / 289,757.98-399,867.01-162,425.38

Finding the Fourth Proportional to 289,757.98, 399,867.01 and 162,425.38

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Solution

The fourth proportional to 289,757.98, 399,867.01 and 162,425.38 is: 224,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,757.98 : 399,867.01 = 162,425.38 : x
  2. Step 2: Convert to fraction form
    289,757.98/399,867.01 = 162,425.38/x
  3. Step 3: Cross multiply
    289,757.98x = 399,867.01 × 162,425.38
  4. Step 4: Simplify right side
    289,757.98x = 64,948,551,048.71
  5. Step 5: Solve for x
    x = 64,948,551,048.71/289,757.98
  6. Step 6: Final answer
    x = 224,147.58

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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.