Finding the Fourth Proportional to 548,208.11, 756,596.70 and 306,504.99
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Solution
The fourth proportional to 548,208.11, 756,596.70 and 306,504.99 is: 423,015.75
Step by Step Solution
- Step 1: Write the proportion equation
548,208.11 : 756,596.70 = 306,504.99 : x - Step 2: Convert to fraction form
548,208.11/756,596.70 = 306,504.99/x - Step 3: Cross multiply
548,208.11x = 756,596.70 × 306,504.99 - Step 4: Simplify right side
548,208.11x = 231,900,663,967.53 - Step 5: Solve for x
x = 231,900,663,967.53/548,208.11 - Step 6: Final answer
x = 423,015.75
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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.