Finding the Fourth Proportional to 347,242.68, 479,088.63 and 226,339.92
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Solution
The fourth proportional to 347,242.68, 479,088.63 and 226,339.92 is: 312,279.82
Step by Step Solution
- Step 1: Write the proportion equation
347,242.68 : 479,088.63 = 226,339.92 : x - Step 2: Convert to fraction form
347,242.68/479,088.63 = 226,339.92/x - Step 3: Cross multiply
347,242.68x = 479,088.63 × 226,339.92 - Step 4: Simplify right side
347,242.68x = 108,436,882,187.11 - Step 5: Solve for x
x = 108,436,882,187.11/347,242.68 - Step 6: Final answer
x = 312,279.82
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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.