Home / 297,942.52-411,168.78-161,985.61

Finding the Fourth Proportional to 297,942.52, 411,168.78 and 161,985.61

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Solution

The fourth proportional to 297,942.52, 411,168.78 and 161,985.61 is: 223,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,942.52 : 411,168.78 = 161,985.61 : x
  2. Step 2: Convert to fraction form
    297,942.52/411,168.78 = 161,985.61/x
  3. Step 3: Cross multiply
    297,942.52x = 411,168.78 × 161,985.61
  4. Step 4: Simplify right side
    297,942.52x = 66,603,425,641.26
  5. Step 5: Solve for x
    x = 66,603,425,641.26/297,942.52
  6. Step 6: Final answer
    x = 223,544.55

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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.