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Finding the Fourth Proportional to 358,600.44, 493,957.26 and 273,569.88

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Solution

The fourth proportional to 358,600.44, 493,957.26 and 273,569.88 is: 376,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,600.44 : 493,957.26 = 273,569.88 : x
  2. Step 2: Convert to fraction form
    358,600.44/493,957.26 = 273,569.88/x
  3. Step 3: Cross multiply
    358,600.44x = 493,957.26 × 273,569.88
  4. Step 4: Simplify right side
    358,600.44x = 135,131,828,343.33
  5. Step 5: Solve for x
    x = 135,131,828,343.33/358,600.44
  6. Step 6: Final answer
    x = 376,831.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.