Home / 447,222.98-670,603.34-131,639.06

Finding the Fourth Proportional to 447,222.98, 670,603.34 and 131,639.06

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Solution

The fourth proportional to 447,222.98, 670,603.34 and 131,639.06 is: 197,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,222.98 : 670,603.34 = 131,639.06 : x
  2. Step 2: Convert to fraction form
    447,222.98/670,603.34 = 131,639.06/x
  3. Step 3: Cross multiply
    447,222.98x = 670,603.34 × 131,639.06
  4. Step 4: Simplify right side
    447,222.98x = 88,277,593,310.46
  5. Step 5: Solve for x
    x = 88,277,593,310.46/447,222.98
  6. Step 6: Final answer
    x = 197,390.56

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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.