Home / 377,226.21-521,942.96-328,928.85

Finding the Fourth Proportional to 377,226.21, 521,942.96 and 328,928.85

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Solution

The fourth proportional to 377,226.21, 521,942.96 and 328,928.85 is: 455,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,226.21 : 521,942.96 = 328,928.85 : x
  2. Step 2: Convert to fraction form
    377,226.21/521,942.96 = 328,928.85/x
  3. Step 3: Cross multiply
    377,226.21x = 521,942.96 × 328,928.85
  4. Step 4: Simplify right side
    377,226.21x = 171,682,095,953.75
  5. Step 5: Solve for x
    x = 171,682,095,953.75/377,226.21
  6. Step 6: Final answer
    x = 455,117.09

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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.