Home / 377,529.24-520,979.88-214,215.48

Finding the Fourth Proportional to 377,529.24, 520,979.88 and 214,215.48

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Solution

The fourth proportional to 377,529.24, 520,979.88 and 214,215.48 is: 295,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,529.24 : 520,979.88 = 214,215.48 : x
  2. Step 2: Convert to fraction form
    377,529.24/520,979.88 = 214,215.48/x
  3. Step 3: Cross multiply
    377,529.24x = 520,979.88 × 214,215.48
  4. Step 4: Simplify right side
    377,529.24x = 111,601,955,064.54
  5. Step 5: Solve for x
    x = 111,601,955,064.54/377,529.24
  6. Step 6: Final answer
    x = 295,611.42

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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.