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Finding the Fourth Proportional to 503,644.68, 754,992.12 and 250,686

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Solution

The fourth proportional to 503,644.68, 754,992.12 and 250,686 is: 375,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,644.68 : 754,992.12 = 250,686 : x
  2. Step 2: Convert to fraction form
    503,644.68/754,992.12 = 250,686/x
  3. Step 3: Cross multiply
    503,644.68x = 754,992.12 × 250,686
  4. Step 4: Simplify right side
    503,644.68x = 189,265,954,594.32
  5. Step 5: Solve for x
    x = 189,265,954,594.32/503,644.68
  6. Step 6: Final answer
    x = 375,792.62

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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.