Finding the Fourth Proportional to 173,428.99, 260,142.14 and 89,212.75
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Solution
The fourth proportional to 173,428.99, 260,142.14 and 89,212.75 is: 133,818.43
Step by Step Solution
- Step 1: Write the proportion equation
173,428.99 : 260,142.14 = 89,212.75 : x - Step 2: Convert to fraction form
173,428.99/260,142.14 = 89,212.75/x - Step 3: Cross multiply
173,428.99x = 260,142.14 × 89,212.75 - Step 4: Simplify right side
173,428.99x = 23,207,995,254.22 - Step 5: Solve for x
x = 23,207,995,254.22/173,428.99 - Step 6: Final answer
x = 133,818.43
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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.