Finding the Fourth Proportional to 281,576.53, 388,585.28 and 154,252.09
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Solution
The fourth proportional to 281,576.53, 388,585.28 and 154,252.09 is: 212,873.18
Step by Step Solution
- Step 1: Write the proportion equation
281,576.53 : 388,585.28 = 154,252.09 : x - Step 2: Convert to fraction form
281,576.53/388,585.28 = 154,252.09/x - Step 3: Cross multiply
281,576.53x = 388,585.28 × 154,252.09 - Step 4: Simplify right side
281,576.53x = 59,940,091,583.24 - Step 5: Solve for x
x = 59,940,091,583.24/281,576.53 - Step 6: Final answer
x = 212,873.18
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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.