Home / 377,467.13-520,919.01-216,353.27

Finding the Fourth Proportional to 377,467.13, 520,919.01 and 216,353.27

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Solution

The fourth proportional to 377,467.13, 520,919.01 and 216,353.27 is: 298,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,467.13 : 520,919.01 = 216,353.27 : x
  2. Step 2: Convert to fraction form
    377,467.13/520,919.01 = 216,353.27/x
  3. Step 3: Cross multiply
    377,467.13x = 520,919.01 × 216,353.27
  4. Step 4: Simplify right side
    377,467.13x = 112,702,527,532.30
  5. Step 5: Solve for x
    x = 112,702,527,532.30/377,467.13
  6. Step 6: Final answer
    x = 298,575.74

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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.