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Finding the Fourth Proportional to 317,103.99, 475,605.34 and 92,411.86

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Solution

The fourth proportional to 317,103.99, 475,605.34 and 92,411.86 is: 138,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.99 : 475,605.34 = 92,411.86 : x
  2. Step 2: Convert to fraction form
    317,103.99/475,605.34 = 92,411.86/x
  3. Step 3: Cross multiply
    317,103.99x = 475,605.34 × 92,411.86
  4. Step 4: Simplify right side
    317,103.99x = 43,951,574,095.33
  5. Step 5: Solve for x
    x = 43,951,574,095.33/317,103.99
  6. Step 6: Final answer
    x = 138,603.03

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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.