Home / 321,326.35-443,430.41-178,095.64

Finding the Fourth Proportional to 321,326.35, 443,430.41 and 178,095.64

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Solution

The fourth proportional to 321,326.35, 443,430.41 and 178,095.64 is: 245,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,326.35 : 443,430.41 = 178,095.64 : x
  2. Step 2: Convert to fraction form
    321,326.35/443,430.41 = 178,095.64/x
  3. Step 3: Cross multiply
    321,326.35x = 443,430.41 × 178,095.64
  4. Step 4: Simplify right side
    321,326.35x = 78,973,022,664.41
  5. Step 5: Solve for x
    x = 78,973,022,664.41/321,326.35
  6. Step 6: Final answer
    x = 245,772.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.