Home / 377,086.54-520,381.38-207,331.60

Finding the Fourth Proportional to 377,086.54, 520,381.38 and 207,331.60

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Solution

The fourth proportional to 377,086.54, 520,381.38 and 207,331.60 is: 286,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,086.54 : 520,381.38 = 207,331.60 : x
  2. Step 2: Convert to fraction form
    377,086.54/520,381.38 = 207,331.60/x
  3. Step 3: Cross multiply
    377,086.54x = 520,381.38 × 207,331.60
  4. Step 4: Simplify right side
    377,086.54x = 107,891,504,125.61
  5. Step 5: Solve for x
    x = 107,891,504,125.61/377,086.54
  6. Step 6: Final answer
    x = 286,118.68

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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.