Home / 451,945.42-677,091.93-211,618.42

Finding the Fourth Proportional to 451,945.42, 677,091.93 and 211,618.42

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Solution

The fourth proportional to 451,945.42, 677,091.93 and 211,618.42 is: 317,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,945.42 : 677,091.93 = 211,618.42 : x
  2. Step 2: Convert to fraction form
    451,945.42/677,091.93 = 211,618.42/x
  3. Step 3: Cross multiply
    451,945.42x = 677,091.93 × 211,618.42
  4. Step 4: Simplify right side
    451,945.42x = 143,285,124,421.35
  5. Step 5: Solve for x
    x = 143,285,124,421.35/451,945.42
  6. Step 6: Final answer
    x = 317,040.77

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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.