Home / 321,645.06-443,890.32-185,703.93

Finding the Fourth Proportional to 321,645.06, 443,890.32 and 185,703.93

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Solution

The fourth proportional to 321,645.06, 443,890.32 and 185,703.93 is: 256,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,645.06 : 443,890.32 = 185,703.93 : x
  2. Step 2: Convert to fraction form
    321,645.06/443,890.32 = 185,703.93/x
  3. Step 3: Cross multiply
    321,645.06x = 443,890.32 × 185,703.93
  4. Step 4: Simplify right side
    321,645.06x = 82,432,176,912.96
  5. Step 5: Solve for x
    x = 82,432,176,912.96/321,645.06
  6. Step 6: Final answer
    x = 256,283.05

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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.