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Finding the Fourth Proportional to 323,069.70, 484,703.76 and 165,408.86

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Solution

The fourth proportional to 323,069.70, 484,703.76 and 165,408.86 is: 248,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,069.70 : 484,703.76 = 165,408.86 : x
  2. Step 2: Convert to fraction form
    323,069.70/484,703.76 = 165,408.86/x
  3. Step 3: Cross multiply
    323,069.70x = 484,703.76 × 165,408.86
  4. Step 4: Simplify right side
    323,069.70x = 80,174,296,379.31
  5. Step 5: Solve for x
    x = 80,174,296,379.31/323,069.70
  6. Step 6: Final answer
    x = 248,164.08

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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.