Home / 377,289.07-520,627.83-222,216.19

Finding the Fourth Proportional to 377,289.07, 520,627.83 and 222,216.19

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Solution

The fourth proportional to 377,289.07, 520,627.83 and 222,216.19 is: 306,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,289.07 : 520,627.83 = 222,216.19 : x
  2. Step 2: Convert to fraction form
    377,289.07/520,627.83 = 222,216.19/x
  3. Step 3: Cross multiply
    377,289.07x = 520,627.83 × 222,216.19
  4. Step 4: Simplify right side
    377,289.07x = 115,691,932,790.57
  5. Step 5: Solve for x
    x = 115,691,932,790.57/377,289.07
  6. Step 6: Final answer
    x = 306,640.03

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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.