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Finding the Fourth Proportional to 350,908.38, 525,996.24 and 254,612.96

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Solution

The fourth proportional to 350,908.38, 525,996.24 and 254,612.96 is: 381,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,908.38 : 525,996.24 = 254,612.96 : x
  2. Step 2: Convert to fraction form
    350,908.38/525,996.24 = 254,612.96/x
  3. Step 3: Cross multiply
    350,908.38x = 525,996.24 × 254,612.96
  4. Step 4: Simplify right side
    350,908.38x = 133,925,456,985.29
  5. Step 5: Solve for x
    x = 133,925,456,985.29/350,908.38
  6. Step 6: Final answer
    x = 381,653.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.