Home / 377,415.20-520,837.11-205,334.14

Finding the Fourth Proportional to 377,415.20, 520,837.11 and 205,334.14

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Solution

The fourth proportional to 377,415.20, 520,837.11 and 205,334.14 is: 283,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,415.20 : 520,837.11 = 205,334.14 : x
  2. Step 2: Convert to fraction form
    377,415.20/520,837.11 = 205,334.14/x
  3. Step 3: Cross multiply
    377,415.20x = 520,837.11 × 205,334.14
  4. Step 4: Simplify right side
    377,415.20x = 106,945,640,061.94
  5. Step 5: Solve for x
    x = 106,945,640,061.94/377,415.20
  6. Step 6: Final answer
    x = 283,363.36

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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.