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Finding the Fourth Proportional to 377,035.20, 520,300.80 and 226,180.80

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Solution

The fourth proportional to 377,035.20, 520,300.80 and 226,180.80 is: 312,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,035.20 : 520,300.80 = 226,180.80 : x
  2. Step 2: Convert to fraction form
    377,035.20/520,300.80 = 226,180.80/x
  3. Step 3: Cross multiply
    377,035.20x = 520,300.80 × 226,180.80
  4. Step 4: Simplify right side
    377,035.20x = 117,682,051,184.64
  5. Step 5: Solve for x
    x = 117,682,051,184.64/377,035.20
  6. Step 6: Final answer
    x = 312,124.84

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1.5x scale

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.