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Finding the Fourth Proportional to 276,732.70, 415,099.05 and 164,758.30

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Solution

The fourth proportional to 276,732.70, 415,099.05 and 164,758.30 is: 247,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,732.70 : 415,099.05 = 164,758.30 : x
  2. Step 2: Convert to fraction form
    276,732.70/415,099.05 = 164,758.30/x
  3. Step 3: Cross multiply
    276,732.70x = 415,099.05 × 164,758.30
  4. Step 4: Simplify right side
    276,732.70x = 68,391,013,809.62
  5. Step 5: Solve for x
    x = 68,391,013,809.62/276,732.70
  6. Step 6: Final answer
    x = 247,137.45

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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.