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Finding the Fourth Proportional to 317,126.30, 475,759.42 and 92,504.32

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Solution

The fourth proportional to 317,126.30, 475,759.42 and 92,504.32 is: 138,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,126.30 : 475,759.42 = 92,504.32 : x
  2. Step 2: Convert to fraction form
    317,126.30/475,759.42 = 92,504.32/x
  3. Step 3: Cross multiply
    317,126.30x = 475,759.42 × 92,504.32
  4. Step 4: Simplify right side
    317,126.30x = 44,009,801,630.69
  5. Step 5: Solve for x
    x = 44,009,801,630.69/317,126.30
  6. Step 6: Final answer
    x = 138,776.89

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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.