Finding the Fourth Proportional to 347,324.90, 479,321.55 and 202,119.03
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Solution
The fourth proportional to 347,324.90, 479,321.55 and 202,119.03 is: 278,931.94
Step by Step Solution
- Step 1: Write the proportion equation
347,324.90 : 479,321.55 = 202,119.03 : x - Step 2: Convert to fraction form
347,324.90/479,321.55 = 202,119.03/x - Step 3: Cross multiply
347,324.90x = 479,321.55 × 202,119.03 - Step 4: Simplify right side
347,324.90x = 96,880,006,744.10 - Step 5: Solve for x
x = 96,880,006,744.10/347,324.90 - Step 6: Final answer
x = 278,931.94
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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.