Home / 377,943.10-566,137.05-259,747.90

Finding the Fourth Proportional to 377,943.10, 566,137.05 and 259,747.90

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Solution

The fourth proportional to 377,943.10, 566,137.05 and 259,747.90 is: 389,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,943.10 : 566,137.05 = 259,747.90 : x
  2. Step 2: Convert to fraction form
    377,943.10/566,137.05 = 259,747.90/x
  3. Step 3: Cross multiply
    377,943.10x = 566,137.05 × 259,747.90
  4. Step 4: Simplify right side
    377,943.10x = 147,052,909,849.70
  5. Step 5: Solve for x
    x = 147,052,909,849.70/377,943.10
  6. Step 6: Final answer
    x = 389,087.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.