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Finding the Fourth Proportional to 365,798.72, 504,974.82 and 275,189.27

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Solution

The fourth proportional to 365,798.72, 504,974.82 and 275,189.27 is: 379,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,798.72 : 504,974.82 = 275,189.27 : x
  2. Step 2: Convert to fraction form
    365,798.72/504,974.82 = 275,189.27/x
  3. Step 3: Cross multiply
    365,798.72x = 504,974.82 × 275,189.27
  4. Step 4: Simplify right side
    365,798.72x = 138,963,649,559.31
  5. Step 5: Solve for x
    x = 138,963,649,559.31/365,798.72
  6. Step 6: Final answer
    x = 379,891.03

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1.5x scale

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.