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Finding the Fourth Proportional to 284,611.70, 426,917.55 and 267,101.30

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Solution

The fourth proportional to 284,611.70, 426,917.55 and 267,101.30 is: 400,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,611.70 : 426,917.55 = 267,101.30 : x
  2. Step 2: Convert to fraction form
    284,611.70/426,917.55 = 267,101.30/x
  3. Step 3: Cross multiply
    284,611.70x = 426,917.55 × 267,101.30
  4. Step 4: Simplify right side
    284,611.70x = 114,030,232,597.82
  5. Step 5: Solve for x
    x = 114,030,232,597.82/284,611.70
  6. Step 6: Final answer
    x = 400,651.95

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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.