Finding the Fourth Proportional to 215,711.70, 323,324.55 and 103,445.70
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Solution
The fourth proportional to 215,711.70, 323,324.55 and 103,445.70 is: 155,052.02
Step by Step Solution
- Step 1: Write the proportion equation
215,711.70 : 323,324.55 = 103,445.70 : x - Step 2: Convert to fraction form
215,711.70/323,324.55 = 103,445.70/x - Step 3: Cross multiply
215,711.70x = 323,324.55 × 103,445.70 - Step 4: Simplify right side
215,711.70x = 33,446,534,401.94 - Step 5: Solve for x
x = 33,446,534,401.94/215,711.70 - Step 6: Final answer
x = 155,052.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.