Finding the Fourth Proportional to 203,422.44, 280,623.24 and 176,527.20
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Solution
The fourth proportional to 203,422.44, 280,623.24 and 176,527.20 is: 243,520.99
Step by Step Solution
- Step 1: Write the proportion equation
203,422.44 : 280,623.24 = 176,527.20 : x - Step 2: Convert to fraction form
203,422.44/280,623.24 = 176,527.20/x - Step 3: Cross multiply
203,422.44x = 280,623.24 × 176,527.20 - Step 4: Simplify right side
203,422.44x = 49,537,634,812.13 - Step 5: Solve for x
x = 49,537,634,812.13/203,422.44 - Step 6: Final answer
x = 243,520.99
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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.