Home / 321,821.52-484,659.44-293,091.36

Finding the Fourth Proportional to 321,821.52, 484,659.44 and 293,091.36

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Solution

The fourth proportional to 321,821.52, 484,659.44 and 293,091.36 is: 441,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,821.52 : 484,659.44 = 293,091.36 : x
  2. Step 2: Convert to fraction form
    321,821.52/484,659.44 = 293,091.36/x
  3. Step 3: Cross multiply
    321,821.52x = 484,659.44 × 293,091.36
  4. Step 4: Simplify right side
    321,821.52x = 142,049,494,406.44
  5. Step 5: Solve for x
    x = 142,049,494,406.44/321,821.52
  6. Step 6: Final answer
    x = 441,392.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.