Home / 451,224.38-676,836.58-214,437.90

Finding the Fourth Proportional to 451,224.38, 676,836.58 and 214,437.90

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Solution

The fourth proportional to 451,224.38, 676,836.58 and 214,437.90 is: 321,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,224.38 : 676,836.58 = 214,437.90 : x
  2. Step 2: Convert to fraction form
    451,224.38/676,836.58 = 214,437.90/x
  3. Step 3: Cross multiply
    451,224.38x = 676,836.58 × 214,437.90
  4. Step 4: Simplify right side
    451,224.38x = 145,139,414,858.38
  5. Step 5: Solve for x
    x = 145,139,414,858.38/451,224.38
  6. Step 6: Final answer
    x = 321,656.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.