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Finding the Fourth Proportional to 254,054.90, 381,082.49 and 64,529.48

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Solution

The fourth proportional to 254,054.90, 381,082.49 and 64,529.48 is: 96,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,054.90 : 381,082.49 = 64,529.48 : x
  2. Step 2: Convert to fraction form
    254,054.90/381,082.49 = 64,529.48/x
  3. Step 3: Cross multiply
    254,054.90x = 381,082.49 × 64,529.48
  4. Step 4: Simplify right side
    254,054.90x = 24,591,052,688.75
  5. Step 5: Solve for x
    x = 24,591,052,688.75/254,054.90
  6. Step 6: Final answer
    x = 96,794.25

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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.