Home / 376,926.90-520,153.09-207,157.38

Finding the Fourth Proportional to 376,926.90, 520,153.09 and 207,157.38

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Solution

The fourth proportional to 376,926.90, 520,153.09 and 207,157.38 is: 285,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,926.90 : 520,153.09 = 207,157.38 : x
  2. Step 2: Convert to fraction form
    376,926.90/520,153.09 = 207,157.38/x
  3. Step 3: Cross multiply
    376,926.90x = 520,153.09 × 207,157.38
  4. Step 4: Simplify right side
    376,926.90x = 107,753,550,287.52
  5. Step 5: Solve for x
    x = 107,753,550,287.52/376,926.90
  6. Step 6: Final answer
    x = 285,873.87

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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.