Finding the Fourth Proportional to 326,843.70, 450,995.18 and 183,576.30
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Solution
The fourth proportional to 326,843.70, 450,995.18 and 183,576.30 is: 253,307.70
Step by Step Solution
- Step 1: Write the proportion equation
326,843.70 : 450,995.18 = 183,576.30 : x - Step 2: Convert to fraction form
326,843.70/450,995.18 = 183,576.30/x - Step 3: Cross multiply
326,843.70x = 450,995.18 × 183,576.30 - Step 4: Simplify right side
326,843.70x = 82,792,026,462.23 - Step 5: Solve for x
x = 82,792,026,462.23/326,843.70 - Step 6: Final answer
x = 253,307.70
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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.