Finding the Fourth Proportional to 226,288.96, 312,322.62 and 149,809.48
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Solution
The fourth proportional to 226,288.96, 312,322.62 and 149,809.48 is: 206,766.12
Step by Step Solution
- Step 1: Write the proportion equation
226,288.96 : 312,322.62 = 149,809.48 : x - Step 2: Convert to fraction form
226,288.96/312,322.62 = 149,809.48/x - Step 3: Cross multiply
226,288.96x = 312,322.62 × 149,809.48 - Step 4: Simplify right side
226,288.96x = 46,788,889,294.44 - Step 5: Solve for x
x = 46,788,889,294.44/226,288.96 - Step 6: Final answer
x = 206,766.12
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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.