Finding the Fourth Proportional to 252,113.29, 347,916.41 and 137,391.96
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Solution
The fourth proportional to 252,113.29, 347,916.41 and 137,391.96 is: 189,600.95
Step by Step Solution
- Step 1: Write the proportion equation
252,113.29 : 347,916.41 = 137,391.96 : x - Step 2: Convert to fraction form
252,113.29/347,916.41 = 137,391.96/x - Step 3: Cross multiply
252,113.29x = 347,916.41 × 137,391.96 - Step 4: Simplify right side
252,113.29x = 47,800,918,103.79 - Step 5: Solve for x
x = 47,800,918,103.79/252,113.29 - Step 6: Final answer
x = 189,600.95
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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.