Home / 377,552.97-520,905.81-214,182.60

Finding the Fourth Proportional to 377,552.97, 520,905.81 and 214,182.60

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Solution

The fourth proportional to 377,552.97, 520,905.81 and 214,182.60 is: 295,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,552.97 : 520,905.81 = 214,182.60 : x
  2. Step 2: Convert to fraction form
    377,552.97/520,905.81 = 214,182.60/x
  3. Step 3: Cross multiply
    377,552.97x = 520,905.81 × 214,182.60
  4. Step 4: Simplify right side
    377,552.97x = 111,568,960,740.91
  5. Step 5: Solve for x
    x = 111,568,960,740.91/377,552.97
  6. Step 6: Final answer
    x = 295,505.45

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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.