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Finding the Fourth Proportional to 269,277.80, 403,916.70 and 263,445.80

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Solution

The fourth proportional to 269,277.80, 403,916.70 and 263,445.80 is: 395,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,277.80 : 403,916.70 = 263,445.80 : x
  2. Step 2: Convert to fraction form
    269,277.80/403,916.70 = 263,445.80/x
  3. Step 3: Cross multiply
    269,277.80x = 403,916.70 × 263,445.80
  4. Step 4: Simplify right side
    269,277.80x = 106,410,158,164.86
  5. Step 5: Solve for x
    x = 106,410,158,164.86/269,277.80
  6. Step 6: Final answer
    x = 395,168.70

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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.