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Finding the Fourth Proportional to 297,725.78, 446,068.64 and 248,124.62

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Solution

The fourth proportional to 297,725.78, 446,068.64 and 248,124.62 is: 371,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,725.78 : 446,068.64 = 248,124.62 : x
  2. Step 2: Convert to fraction form
    297,725.78/446,068.64 = 248,124.62/x
  3. Step 3: Cross multiply
    297,725.78x = 446,068.64 × 248,124.62
  4. Step 4: Simplify right side
    297,725.78x = 110,680,611,793.92
  5. Step 5: Solve for x
    x = 110,680,611,793.92/297,725.78
  6. Step 6: Final answer
    x = 371,753.54

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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.