Finding the Fourth Proportional to 203,366.23, 280,662.20 and 112,750.62
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Solution
The fourth proportional to 203,366.23, 280,662.20 and 112,750.62 is: 155,605.17
Step by Step Solution
- Step 1: Write the proportion equation
203,366.23 : 280,662.20 = 112,750.62 : x - Step 2: Convert to fraction form
203,366.23/280,662.20 = 112,750.62/x - Step 3: Cross multiply
203,366.23x = 280,662.20 × 112,750.62 - Step 4: Simplify right side
203,366.23x = 31,644,837,060.56 - Step 5: Solve for x
x = 31,644,837,060.56/203,366.23 - Step 6: Final answer
x = 155,605.17
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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.