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Finding the Fourth Proportional to 295,034.60, 442,156.50 and 276,138.92

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Solution

The fourth proportional to 295,034.60, 442,156.50 and 276,138.92 is: 413,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,034.60 : 442,156.50 = 276,138.92 : x
  2. Step 2: Convert to fraction form
    295,034.60/442,156.50 = 276,138.92/x
  3. Step 3: Cross multiply
    295,034.60x = 442,156.50 × 276,138.92
  4. Step 4: Simplify right side
    295,034.60x = 122,096,618,380.98
  5. Step 5: Solve for x
    x = 122,096,618,380.98/295,034.60
  6. Step 6: Final answer
    x = 413,838.30

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1.5x scale

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.