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Finding the Fourth Proportional to 284,556.30, 426,834.45 and 268,226.70

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Solution

The fourth proportional to 284,556.30, 426,834.45 and 268,226.70 is: 402,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,556.30 : 426,834.45 = 268,226.70 : x
  2. Step 2: Convert to fraction form
    284,556.30/426,834.45 = 268,226.70/x
  3. Step 3: Cross multiply
    284,556.30x = 426,834.45 × 268,226.70
  4. Step 4: Simplify right side
    284,556.30x = 114,488,395,969.82
  5. Step 5: Solve for x
    x = 114,488,395,969.82/284,556.30
  6. Step 6: Final answer
    x = 402,340.05

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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.