Home / 377,840.32-521,351.04-226,939.84

Finding the Fourth Proportional to 377,840.32, 521,351.04 and 226,939.84

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Solution

The fourth proportional to 377,840.32, 521,351.04 and 226,939.84 is: 313,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,840.32 : 521,351.04 = 226,939.84 : x
  2. Step 2: Convert to fraction form
    377,840.32/521,351.04 = 226,939.84/x
  3. Step 3: Cross multiply
    377,840.32x = 521,351.04 × 226,939.84
  4. Step 4: Simplify right side
    377,840.32x = 118,315,321,601.43
  5. Step 5: Solve for x
    x = 118,315,321,601.43/377,840.32
  6. Step 6: Final answer
    x = 313,135.78

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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.