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Finding the Fourth Proportional to 346,776.83, 520,183.25 and 110,138.03

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Solution

The fourth proportional to 346,776.83, 520,183.25 and 110,138.03 is: 165,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,776.83 : 520,183.25 = 110,138.03 : x
  2. Step 2: Convert to fraction form
    346,776.83/520,183.25 = 110,138.03/x
  3. Step 3: Cross multiply
    346,776.83x = 520,183.25 × 110,138.03
  4. Step 4: Simplify right side
    346,776.83x = 57,291,958,394.00
  5. Step 5: Solve for x
    x = 57,291,958,394.00/346,776.83
  6. Step 6: Final answer
    x = 165,212.76

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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.