Finding the Fourth Proportional to 589,989.02, 814,183.35 and 321,717.02
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Solution
The fourth proportional to 589,989.02, 814,183.35 and 321,717.02 is: 443,968.67
Step by Step Solution
- Step 1: Write the proportion equation
589,989.02 : 814,183.35 = 321,717.02 : x - Step 2: Convert to fraction form
589,989.02/814,183.35 = 321,717.02/x - Step 3: Cross multiply
589,989.02x = 814,183.35 × 321,717.02 - Step 4: Simplify right side
589,989.02x = 261,936,641,095.62 - Step 5: Solve for x
x = 261,936,641,095.62/589,989.02 - Step 6: Final answer
x = 443,968.67
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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.