Home / 377,712.20-567,005.70-228,121.40

Finding the Fourth Proportional to 377,712.20, 567,005.70 and 228,121.40

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Solution

The fourth proportional to 377,712.20, 567,005.70 and 228,121.40 is: 342,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,712.20 : 567,005.70 = 228,121.40 : x
  2. Step 2: Convert to fraction form
    377,712.20/567,005.70 = 228,121.40/x
  3. Step 3: Cross multiply
    377,712.20x = 567,005.70 × 228,121.40
  4. Step 4: Simplify right side
    377,712.20x = 129,346,134,091.98
  5. Step 5: Solve for x
    x = 129,346,134,091.98/377,712.20
  6. Step 6: Final answer
    x = 342,446.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.