Finding the Fourth Proportional to 227,311.61, 313,628.49 and 129,193.47
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Solution
The fourth proportional to 227,311.61, 313,628.49 and 129,193.47 is: 178,252.02
Step by Step Solution
- Step 1: Write the proportion equation
227,311.61 : 313,628.49 = 129,193.47 : x - Step 2: Convert to fraction form
227,311.61/313,628.49 = 129,193.47/x - Step 3: Cross multiply
227,311.61x = 313,628.49 × 129,193.47 - Step 4: Simplify right side
227,311.61x = 40,518,752,913.96 - Step 5: Solve for x
x = 40,518,752,913.96/227,311.61 - Step 6: Final answer
x = 178,252.02
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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.