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Finding the Fourth Proportional to 174,893.72, 260,976.54 and 156,044.18

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Solution

The fourth proportional to 174,893.72, 260,976.54 and 156,044.18 is: 232,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,893.72 : 260,976.54 = 156,044.18 : x
  2. Step 2: Convert to fraction form
    174,893.72/260,976.54 = 156,044.18/x
  3. Step 3: Cross multiply
    174,893.72x = 260,976.54 × 156,044.18
  4. Step 4: Simplify right side
    174,893.72x = 40,723,870,183.54
  5. Step 5: Solve for x
    x = 40,723,870,183.54/174,893.72
  6. Step 6: Final answer
    x = 232,849.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.