Home / 377,834.66-521,372.12-214,439.20

Finding the Fourth Proportional to 377,834.66, 521,372.12 and 214,439.20

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Solution

The fourth proportional to 377,834.66, 521,372.12 and 214,439.20 is: 295,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,834.66 : 521,372.12 = 214,439.20 : x
  2. Step 2: Convert to fraction form
    377,834.66/521,372.12 = 214,439.20/x
  3. Step 3: Cross multiply
    377,834.66x = 521,372.12 × 214,439.20
  4. Step 4: Simplify right side
    377,834.66x = 111,802,620,315.10
  5. Step 5: Solve for x
    x = 111,802,620,315.10/377,834.66
  6. Step 6: Final answer
    x = 295,903.56

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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.