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Finding the Fourth Proportional to 376,825.73, 520,019.39 and 207,070.79

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Solution

The fourth proportional to 376,825.73, 520,019.39 and 207,070.79 is: 285,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,825.73 : 520,019.39 = 207,070.79 : x
  2. Step 2: Convert to fraction form
    376,825.73/520,019.39 = 207,070.79/x
  3. Step 3: Cross multiply
    376,825.73x = 520,019.39 × 207,070.79
  4. Step 4: Simplify right side
    376,825.73x = 107,680,825,902.62
  5. Step 5: Solve for x
    x = 107,680,825,902.62/376,825.73
  6. Step 6: Final answer
    x = 285,757.63

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1.5x scale

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.