Finding the Fourth Proportional to 215,304.66, 322,989.81 and 110,088.09
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Solution
The fourth proportional to 215,304.66, 322,989.81 and 110,088.09 is: 165,148.92
Step by Step Solution
- Step 1: Write the proportion equation
215,304.66 : 322,989.81 = 110,088.09 : x - Step 2: Convert to fraction form
215,304.66/322,989.81 = 110,088.09/x - Step 3: Cross multiply
215,304.66x = 322,989.81 × 110,088.09 - Step 4: Simplify right side
215,304.66x = 35,557,331,272.36 - Step 5: Solve for x
x = 35,557,331,272.36/215,304.66 - Step 6: Final answer
x = 165,148.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.