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Finding the Fourth Proportional to 276,283, 414,333.37 and 89,250.76

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Solution

The fourth proportional to 276,283, 414,333.37 and 89,250.76 is: 133,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,283 : 414,333.37 = 89,250.76 : x
  2. Step 2: Convert to fraction form
    276,283/414,333.37 = 89,250.76/x
  3. Step 3: Cross multiply
    276,283x = 414,333.37 × 89,250.76
  4. Step 4: Simplify right side
    276,283x = 36,979,568,165.86
  5. Step 5: Solve for x
    x = 36,979,568,165.86/276,283
  6. Step 6: Final answer
    x = 133,846.70

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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.