Finding the Fourth Proportional to 397,518.59, 548,590.19 and 220,713.99
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Solution
The fourth proportional to 397,518.59, 548,590.19 and 220,713.99 is: 304,593.38
Step by Step Solution
- Step 1: Write the proportion equation
397,518.59 : 548,590.19 = 220,713.99 : x - Step 2: Convert to fraction form
397,518.59/548,590.19 = 220,713.99/x - Step 3: Cross multiply
397,518.59x = 548,590.19 × 220,713.99 - Step 4: Simplify right side
397,518.59x = 121,081,529,954.16 - Step 5: Solve for x
x = 121,081,529,954.16/397,518.59 - Step 6: Final answer
x = 304,593.38
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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.