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Finding the Fourth Proportional to 377,315.05, 520,692.24 and 214,002.67

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Solution

The fourth proportional to 377,315.05, 520,692.24 and 214,002.67 is: 295,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,315.05 : 520,692.24 = 214,002.67 : x
  2. Step 2: Convert to fraction form
    377,315.05/520,692.24 = 214,002.67/x
  3. Step 3: Cross multiply
    377,315.05x = 520,692.24 × 214,002.67
  4. Step 4: Simplify right side
    377,315.05x = 111,429,529,608.28
  5. Step 5: Solve for x
    x = 111,429,529,608.28/377,315.05
  6. Step 6: Final answer
    x = 295,322.25

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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.