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Finding the Fourth Proportional to 376,864.12, 520,053.24 and 207,065.44

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Solution

The fourth proportional to 376,864.12, 520,053.24 and 207,065.44 is: 285,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,864.12 : 520,053.24 = 207,065.44 : x
  2. Step 2: Convert to fraction form
    376,864.12/520,053.24 = 207,065.44/x
  3. Step 3: Cross multiply
    376,864.12x = 520,053.24 × 207,065.44
  4. Step 4: Simplify right side
    376,864.12x = 107,685,052,964.03
  5. Step 5: Solve for x
    x = 107,685,052,964.03/376,864.12
  6. Step 6: Final answer
    x = 285,739.73

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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.