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Finding the Fourth Proportional to 276,233.60, 414,350.40 and 264,423.80

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Solution

The fourth proportional to 276,233.60, 414,350.40 and 264,423.80 is: 396,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,233.60 : 414,350.40 = 264,423.80 : x
  2. Step 2: Convert to fraction form
    276,233.60/414,350.40 = 264,423.80/x
  3. Step 3: Cross multiply
    276,233.60x = 414,350.40 × 264,423.80
  4. Step 4: Simplify right side
    276,233.60x = 109,564,107,299.52
  5. Step 5: Solve for x
    x = 109,564,107,299.52/276,233.60
  6. Step 6: Final answer
    x = 396,635.70

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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.