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Finding the Fourth Proportional to 317,104.58, 475,023.12 and 190,675.62

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Solution

The fourth proportional to 317,104.58, 475,023.12 and 190,675.62 is: 285,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,104.58 : 475,023.12 = 190,675.62 : x
  2. Step 2: Convert to fraction form
    317,104.58/475,023.12 = 190,675.62/x
  3. Step 3: Cross multiply
    317,104.58x = 475,023.12 × 190,675.62
  4. Step 4: Simplify right side
    317,104.58x = 90,575,327,920.33
  5. Step 5: Solve for x
    x = 90,575,327,920.33/317,104.58
  6. Step 6: Final answer
    x = 285,632.35

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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.