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Finding the Fourth Proportional to 373,301.26, 515,156.26 and 203,535.40

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Solution

The fourth proportional to 373,301.26, 515,156.26 and 203,535.40 is: 280,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,301.26 : 515,156.26 = 203,535.40 : x
  2. Step 2: Convert to fraction form
    373,301.26/515,156.26 = 203,535.40/x
  3. Step 3: Cross multiply
    373,301.26x = 515,156.26 × 203,535.40
  4. Step 4: Simplify right side
    373,301.26x = 104,852,535,441.60
  5. Step 5: Solve for x
    x = 104,852,535,441.60/373,301.26
  6. Step 6: Final answer
    x = 280,879.14

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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.