Home / 377,360.48-520,766.97-205,288.12

Finding the Fourth Proportional to 377,360.48, 520,766.97 and 205,288.12

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Solution

The fourth proportional to 377,360.48, 520,766.97 and 205,288.12 is: 283,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,360.48 : 520,766.97 = 205,288.12 : x
  2. Step 2: Convert to fraction form
    377,360.48/520,766.97 = 205,288.12/x
  3. Step 3: Cross multiply
    377,360.48x = 520,766.97 × 205,288.12
  4. Step 4: Simplify right side
    377,360.48x = 106,907,268,599.12
  5. Step 5: Solve for x
    x = 106,907,268,599.12/377,360.48
  6. Step 6: Final answer
    x = 283,302.77

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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.