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Finding the Fourth Proportional to 379,953.97, 569,181.93 and 308,956.75

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Solution

The fourth proportional to 379,953.97, 569,181.93 and 308,956.75 is: 462,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,953.97 : 569,181.93 = 308,956.75 : x
  2. Step 2: Convert to fraction form
    379,953.97/569,181.93 = 308,956.75/x
  3. Step 3: Cross multiply
    379,953.97x = 569,181.93 × 308,956.75
  4. Step 4: Simplify right side
    379,953.97x = 175,852,599,251.53
  5. Step 5: Solve for x
    x = 175,852,599,251.53/379,953.97
  6. Step 6: Final answer
    x = 462,826.06

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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.