Finding the Fourth Proportional to 369,051.62, 509,328.87 and 225,906.26
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Solution
The fourth proportional to 369,051.62, 509,328.87 and 225,906.26 is: 311,773.68
Step by Step Solution
- Step 1: Write the proportion equation
369,051.62 : 509,328.87 = 225,906.26 : x - Step 2: Convert to fraction form
369,051.62/509,328.87 = 225,906.26/x - Step 3: Cross multiply
369,051.62x = 509,328.87 × 225,906.26 - Step 4: Simplify right side
369,051.62x = 115,060,581,405.05 - Step 5: Solve for x
x = 115,060,581,405.05/369,051.62 - Step 6: Final answer
x = 311,773.68
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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.