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Finding the Fourth Proportional to 354,812, 489,722.82 and 233,975.12

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Solution

The fourth proportional to 354,812, 489,722.82 and 233,975.12 is: 322,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,812 : 489,722.82 = 233,975.12 : x
  2. Step 2: Convert to fraction form
    354,812/489,722.82 = 233,975.12/x
  3. Step 3: Cross multiply
    354,812x = 489,722.82 × 233,975.12
  4. Step 4: Simplify right side
    354,812x = 114,582,955,576.24
  5. Step 5: Solve for x
    x = 114,582,955,576.24/354,812
  6. Step 6: Final answer
    x = 322,939.91

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