Home / 261,196.08-391,794.12-74,183.28

Finding the Fourth Proportional to 261,196.08, 391,794.12 and 74,183.28

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Solution

The fourth proportional to 261,196.08, 391,794.12 and 74,183.28 is: 111,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,196.08 : 391,794.12 = 74,183.28 : x
  2. Step 2: Convert to fraction form
    261,196.08/391,794.12 = 74,183.28/x
  3. Step 3: Cross multiply
    261,196.08x = 391,794.12 × 74,183.28
  4. Step 4: Simplify right side
    261,196.08x = 29,064,572,906.31
  5. Step 5: Solve for x
    x = 29,064,572,906.31/261,196.08
  6. Step 6: Final answer
    x = 111,274.92

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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.