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Finding the Fourth Proportional to 505,989.69, 758,872.72 and 146,082.35

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Solution

The fourth proportional to 505,989.69, 758,872.72 and 146,082.35 is: 219,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,989.69 : 758,872.72 = 146,082.35 : x
  2. Step 2: Convert to fraction form
    505,989.69/758,872.72 = 146,082.35/x
  3. Step 3: Cross multiply
    505,989.69x = 758,872.72 × 146,082.35
  4. Step 4: Simplify right side
    505,989.69x = 110,857,910,288.49
  5. Step 5: Solve for x
    x = 110,857,910,288.49/505,989.69
  6. Step 6: Final answer
    x = 219,091.24

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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.