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Finding the Fourth Proportional to 339,162.40, 468,045.92 and 211,911.80

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Solution

The fourth proportional to 339,162.40, 468,045.92 and 211,911.80 is: 292,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,162.40 : 468,045.92 = 211,911.80 : x
  2. Step 2: Convert to fraction form
    339,162.40/468,045.92 = 211,911.80/x
  3. Step 3: Cross multiply
    339,162.40x = 468,045.92 × 211,911.80
  4. Step 4: Simplify right side
    339,162.40x = 99,184,453,389.86
  5. Step 5: Solve for x
    x = 99,184,453,389.86/339,162.40
  6. Step 6: Final answer
    x = 292,439.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.