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Finding the Fourth Proportional to 377,708.70, 566,563.05 and 228,117.90

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Solution

The fourth proportional to 377,708.70, 566,563.05 and 228,117.90 is: 342,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,708.70 : 566,563.05 = 228,117.90 : x
  2. Step 2: Convert to fraction form
    377,708.70/566,563.05 = 228,117.90/x
  3. Step 3: Cross multiply
    377,708.70x = 566,563.05 × 228,117.90
  4. Step 4: Simplify right side
    377,708.70x = 129,243,173,183.60
  5. Step 5: Solve for x
    x = 129,243,173,183.60/377,708.70
  6. Step 6: Final answer
    x = 342,176.85

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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.