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Finding the Fourth Proportional to 295,349.90, 443,022.21 and 92,961.27

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Solution

The fourth proportional to 295,349.90, 443,022.21 and 92,961.27 is: 139,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,349.90 : 443,022.21 = 92,961.27 : x
  2. Step 2: Convert to fraction form
    295,349.90/443,022.21 = 92,961.27/x
  3. Step 3: Cross multiply
    295,349.90x = 443,022.21 × 92,961.27
  4. Step 4: Simplify right side
    295,349.90x = 41,183,907,279.81
  5. Step 5: Solve for x
    x = 41,183,907,279.81/295,349.90
  6. Step 6: Final answer
    x = 139,441.08

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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.