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Finding the Fourth Proportional to 368,096.93, 507,988.43 and 206,951.48

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Solution

The fourth proportional to 368,096.93, 507,988.43 and 206,951.48 is: 285,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,096.93 : 507,988.43 = 206,951.48 : x
  2. Step 2: Convert to fraction form
    368,096.93/507,988.43 = 206,951.48/x
  3. Step 3: Cross multiply
    368,096.93x = 507,988.43 × 206,951.48
  4. Step 4: Simplify right side
    368,096.93x = 105,128,956,376.62
  5. Step 5: Solve for x
    x = 105,128,956,376.62/368,096.93
  6. Step 6: Final answer
    x = 285,601.29

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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.