Finding the Fourth Proportional to 264,895.49, 397,343.11 and 77,906.99
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Solution
The fourth proportional to 264,895.49, 397,343.11 and 77,906.99 is: 116,860.45
Step by Step Solution
- Step 1: Write the proportion equation
264,895.49 : 397,343.11 = 77,906.99 : x - Step 2: Convert to fraction form
264,895.49/397,343.11 = 77,906.99/x - Step 3: Cross multiply
264,895.49x = 397,343.11 × 77,906.99 - Step 4: Simplify right side
264,895.49x = 30,955,805,697.34 - Step 5: Solve for x
x = 30,955,805,697.34/264,895.49 - Step 6: Final answer
x = 116,860.45
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1.5x scale
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.