Finding the Fourth Proportional to 318,082.68, 438,954.48 and 174,839.67
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Solution
The fourth proportional to 318,082.68, 438,954.48 and 174,839.67 is: 241,278.95
Step by Step Solution
- Step 1: Write the proportion equation
318,082.68 : 438,954.48 = 174,839.67 : x - Step 2: Convert to fraction form
318,082.68/438,954.48 = 174,839.67/x - Step 3: Cross multiply
318,082.68x = 438,954.48 × 174,839.67 - Step 4: Simplify right side
318,082.68x = 76,746,656,428.22 - Step 5: Solve for x
x = 76,746,656,428.22/318,082.68 - Step 6: Final answer
x = 241,278.95
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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.