Home / 377,787.28-521,229.12-214,417.12

Finding the Fourth Proportional to 377,787.28, 521,229.12 and 214,417.12

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Solution

The fourth proportional to 377,787.28, 521,229.12 and 214,417.12 is: 295,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,787.28 : 521,229.12 = 214,417.12 : x
  2. Step 2: Convert to fraction form
    377,787.28/521,229.12 = 214,417.12/x
  3. Step 3: Cross multiply
    377,787.28x = 521,229.12 × 214,417.12
  4. Step 4: Simplify right side
    377,787.28x = 111,760,446,770.53
  5. Step 5: Solve for x
    x = 111,760,446,770.53/377,787.28
  6. Step 6: Final answer
    x = 295,829.04

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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.