Home / 445,739.91-668,602.58-179,493.72

Finding the Fourth Proportional to 445,739.91, 668,602.58 and 179,493.72

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Solution

The fourth proportional to 445,739.91, 668,602.58 and 179,493.72 is: 269,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,739.91 : 668,602.58 = 179,493.72 : x
  2. Step 2: Convert to fraction form
    445,739.91/668,602.58 = 179,493.72/x
  3. Step 3: Cross multiply
    445,739.91x = 668,602.58 × 179,493.72
  4. Step 4: Simplify right side
    445,739.91x = 120,009,963,388.33
  5. Step 5: Solve for x
    x = 120,009,963,388.33/445,739.91
  6. Step 6: Final answer
    x = 269,237.64

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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.