Home / 445,525.08-668,410.94-205,712.36

Finding the Fourth Proportional to 445,525.08, 668,410.94 and 205,712.36

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Solution

The fourth proportional to 445,525.08, 668,410.94 and 205,712.36 is: 308,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,525.08 : 668,410.94 = 205,712.36 : x
  2. Step 2: Convert to fraction form
    445,525.08/668,410.94 = 205,712.36/x
  3. Step 3: Cross multiply
    445,525.08x = 668,410.94 × 205,712.36
  4. Step 4: Simplify right side
    445,525.08x = 137,500,391,917.22
  5. Step 5: Solve for x
    x = 137,500,391,917.22/445,525.08
  6. Step 6: Final answer
    x = 308,625.48

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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.