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Finding the Fourth Proportional to 377,588.85, 520,954.59 and 214,218.12

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Solution

The fourth proportional to 377,588.85, 520,954.59 and 214,218.12 is: 295,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,588.85 : 520,954.59 = 214,218.12 : x
  2. Step 2: Convert to fraction form
    377,588.85/520,954.59 = 214,218.12/x
  3. Step 3: Cross multiply
    377,588.85x = 520,954.59 × 214,218.12
  4. Step 4: Simplify right side
    377,588.85x = 111,597,912,875.17
  5. Step 5: Solve for x
    x = 111,597,912,875.17/377,588.85
  6. Step 6: Final answer
    x = 295,554.05

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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.