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Finding the Fourth Proportional to 317,213.66, 475,669.82 and 184,134.72

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Solution

The fourth proportional to 317,213.66, 475,669.82 and 184,134.72 is: 276,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,213.66 : 475,669.82 = 184,134.72 : x
  2. Step 2: Convert to fraction form
    317,213.66/475,669.82 = 184,134.72/x
  3. Step 3: Cross multiply
    317,213.66x = 475,669.82 × 184,134.72
  4. Step 4: Simplify right side
    317,213.66x = 87,587,329,118.15
  5. Step 5: Solve for x
    x = 87,587,329,118.15/317,213.66
  6. Step 6: Final answer
    x = 276,114.62

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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.