Home / 377,711.20-567,004.20-228,120.40

Finding the Fourth Proportional to 377,711.20, 567,004.20 and 228,120.40

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Solution

The fourth proportional to 377,711.20, 567,004.20 and 228,120.40 is: 342,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,711.20 : 567,004.20 = 228,120.40 : x
  2. Step 2: Convert to fraction form
    377,711.20/567,004.20 = 228,120.40/x
  3. Step 3: Cross multiply
    377,711.20x = 567,004.20 × 228,120.40
  4. Step 4: Simplify right side
    377,711.20x = 129,345,224,905.68
  5. Step 5: Solve for x
    x = 129,345,224,905.68/377,711.20
  6. Step 6: Final answer
    x = 342,444.77

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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.