Home / 397,445.64-548,197.26-269,899.80

Finding the Fourth Proportional to 397,445.64, 548,197.26 and 269,899.80

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Solution

The fourth proportional to 397,445.64, 548,197.26 and 269,899.80 is: 372,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,445.64 : 548,197.26 = 269,899.80 : x
  2. Step 2: Convert to fraction form
    397,445.64/548,197.26 = 269,899.80/x
  3. Step 3: Cross multiply
    397,445.64x = 548,197.26 × 269,899.80
  4. Step 4: Simplify right side
    397,445.64x = 147,958,330,834.55
  5. Step 5: Solve for x
    x = 147,958,330,834.55/397,445.64
  6. Step 6: Final answer
    x = 372,273.13

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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.