Home / 377,077.68-520,470.46-222,165.18

Finding the Fourth Proportional to 377,077.68, 520,470.46 and 222,165.18

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Solution

The fourth proportional to 377,077.68, 520,470.46 and 222,165.18 is: 306,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,077.68 : 520,470.46 = 222,165.18 : x
  2. Step 2: Convert to fraction form
    377,077.68/520,470.46 = 222,165.18/x
  3. Step 3: Cross multiply
    377,077.68x = 520,470.46 × 222,165.18
  4. Step 4: Simplify right side
    377,077.68x = 115,630,413,708.29
  5. Step 5: Solve for x
    x = 115,630,413,708.29/377,077.68
  6. Step 6: Final answer
    x = 306,648.79

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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.