Home / 447,005.75-670,508.57-131,462.64

Finding the Fourth Proportional to 447,005.75, 670,508.57 and 131,462.64

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Solution

The fourth proportional to 447,005.75, 670,508.57 and 131,462.64 is: 197,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,005.75 : 670,508.57 = 131,462.64 : x
  2. Step 2: Convert to fraction form
    447,005.75/670,508.57 = 131,462.64/x
  3. Step 3: Cross multiply
    447,005.75x = 670,508.57 × 131,462.64
  4. Step 4: Simplify right side
    447,005.75x = 88,146,826,097.51
  5. Step 5: Solve for x
    x = 88,146,826,097.51/447,005.75
  6. Step 6: Final answer
    x = 197,193.94

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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.