Home / 377,682.63-521,170.25-216,500.73

Finding the Fourth Proportional to 377,682.63, 521,170.25 and 216,500.73

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Solution

The fourth proportional to 377,682.63, 521,170.25 and 216,500.73 is: 298,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,682.63 : 521,170.25 = 216,500.73 : x
  2. Step 2: Convert to fraction form
    377,682.63/521,170.25 = 216,500.73/x
  3. Step 3: Cross multiply
    377,682.63x = 521,170.25 × 216,500.73
  4. Step 4: Simplify right side
    377,682.63x = 112,833,738,496.78
  5. Step 5: Solve for x
    x = 112,833,738,496.78/377,682.63
  6. Step 6: Final answer
    x = 298,752.79

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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.