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Finding the Fourth Proportional to 377,190.90, 520,520.58 and 205,108.93

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Solution

The fourth proportional to 377,190.90, 520,520.58 and 205,108.93 is: 283,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,190.90 : 520,520.58 = 205,108.93 : x
  2. Step 2: Convert to fraction form
    377,190.90/520,520.58 = 205,108.93/x
  3. Step 3: Cross multiply
    377,190.90x = 520,520.58 × 205,108.93
  4. Step 4: Simplify right side
    377,190.90x = 106,763,419,206.78
  5. Step 5: Solve for x
    x = 106,763,419,206.78/377,190.90
  6. Step 6: Final answer
    x = 283,048.77

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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.