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Finding the Fourth Proportional to 377,091.12, 520,311.12 and 211,524.42

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Solution

The fourth proportional to 377,091.12, 520,311.12 and 211,524.42 is: 291,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,091.12 : 520,311.12 = 211,524.42 : x
  2. Step 2: Convert to fraction form
    377,091.12/520,311.12 = 211,524.42/x
  3. Step 3: Cross multiply
    377,091.12x = 520,311.12 × 211,524.42
  4. Step 4: Simplify right side
    377,091.12x = 110,058,507,877.55
  5. Step 5: Solve for x
    x = 110,058,507,877.55/377,091.12
  6. Step 6: Final answer
    x = 291,861.84

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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.