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Finding the Fourth Proportional to 377,025.05, 520,216.02 and 224,117.30

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Solution

The fourth proportional to 377,025.05, 520,216.02 and 224,117.30 is: 309,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,025.05 : 520,216.02 = 224,117.30 : x
  2. Step 2: Convert to fraction form
    377,025.05/520,216.02 = 224,117.30/x
  3. Step 3: Cross multiply
    377,025.05x = 520,216.02 × 224,117.30
  4. Step 4: Simplify right side
    377,025.05x = 116,589,409,819.15
  5. Step 5: Solve for x
    x = 116,589,409,819.15/377,025.05
  6. Step 6: Final answer
    x = 309,235.18

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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.