Home / 377,023.05-520,213.26-224,115.30

Finding the Fourth Proportional to 377,023.05, 520,213.26 and 224,115.30

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Solution

The fourth proportional to 377,023.05, 520,213.26 and 224,115.30 is: 309,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,023.05 : 520,213.26 = 224,115.30 : x
  2. Step 2: Convert to fraction form
    377,023.05/520,213.26 = 224,115.30/x
  3. Step 3: Cross multiply
    377,023.05x = 520,213.26 × 224,115.30
  4. Step 4: Simplify right side
    377,023.05x = 116,587,750,828.88
  5. Step 5: Solve for x
    x = 116,587,750,828.88/377,023.05
  6. Step 6: Final answer
    x = 309,232.42

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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.