Finding the Fourth Proportional to 227,842.20, 312,138.63 and 219,323.40
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Solution
The fourth proportional to 227,842.20, 312,138.63 and 219,323.40 is: 300,468.07
Step by Step Solution
- Step 1: Write the proportion equation
227,842.20 : 312,138.63 = 219,323.40 : x - Step 2: Convert to fraction form
227,842.20/312,138.63 = 219,323.40/x - Step 3: Cross multiply
227,842.20x = 312,138.63 × 219,323.40 - Step 4: Simplify right side
227,842.20x = 68,459,305,602.94 - Step 5: Solve for x
x = 68,459,305,602.94/227,842.20 - Step 6: Final answer
x = 300,468.07
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.