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Finding the Fourth Proportional to 376,864.31, 520,072.75 and 207,098.44

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Solution

The fourth proportional to 376,864.31, 520,072.75 and 207,098.44 is: 285,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,864.31 : 520,072.75 = 207,098.44 : x
  2. Step 2: Convert to fraction form
    376,864.31/520,072.75 = 207,098.44/x
  3. Step 3: Cross multiply
    376,864.31x = 520,072.75 × 207,098.44
  4. Step 4: Simplify right side
    376,864.31x = 107,706,254,170.20
  5. Step 5: Solve for x
    x = 107,706,254,170.20/376,864.31
  6. Step 6: Final answer
    x = 285,795.84

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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.