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Finding the Fourth Proportional to 228,449.69, 342,419.66 and 95,285.69

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Solution

The fourth proportional to 228,449.69, 342,419.66 and 95,285.69 is: 142,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,449.69 : 342,419.66 = 95,285.69 : x
  2. Step 2: Convert to fraction form
    228,449.69/342,419.66 = 95,285.69/x
  3. Step 3: Cross multiply
    228,449.69x = 342,419.66 × 95,285.69
  4. Step 4: Simplify right side
    228,449.69x = 32,627,693,096.24
  5. Step 5: Solve for x
    x = 32,627,693,096.24/228,449.69
  6. Step 6: Final answer
    x = 142,822.23

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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.