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Finding the Fourth Proportional to 308,098.07, 425,102.46 and 178,959.81

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Solution

The fourth proportional to 308,098.07, 425,102.46 and 178,959.81 is: 246,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,098.07 : 425,102.46 = 178,959.81 : x
  2. Step 2: Convert to fraction form
    308,098.07/425,102.46 = 178,959.81/x
  3. Step 3: Cross multiply
    308,098.07x = 425,102.46 × 178,959.81
  4. Step 4: Simplify right side
    308,098.07x = 76,076,255,472.13
  5. Step 5: Solve for x
    x = 76,076,255,472.13/308,098.07
  6. Step 6: Final answer
    x = 246,922.21

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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.