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Finding the Fourth Proportional to 276,313.08, 414,469.59 and 76,633.46

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Solution

The fourth proportional to 276,313.08, 414,469.59 and 76,633.46 is: 114,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,313.08 : 414,469.59 = 76,633.46 : x
  2. Step 2: Convert to fraction form
    276,313.08/414,469.59 = 76,633.46/x
  3. Step 3: Cross multiply
    276,313.08x = 414,469.59 × 76,633.46
  4. Step 4: Simplify right side
    276,313.08x = 31,762,238,372.08
  5. Step 5: Solve for x
    x = 31,762,238,372.08/276,313.08
  6. Step 6: Final answer
    x = 114,950.18

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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.