Finding the Fourth Proportional to 347,722.23, 479,687.34 and 226,808.67
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Solution
The fourth proportional to 347,722.23, 479,687.34 and 226,808.67 is: 312,885.51
Step by Step Solution
- Step 1: Write the proportion equation
347,722.23 : 479,687.34 = 226,808.67 : x - Step 2: Convert to fraction form
347,722.23/479,687.34 = 226,808.67/x - Step 3: Cross multiply
347,722.23x = 479,687.34 × 226,808.67 - Step 4: Simplify right side
347,722.23x = 108,797,247,601.24 - Step 5: Solve for x
x = 108,797,247,601.24/347,722.23 - Step 6: Final answer
x = 312,885.51
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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.