Finding the Fourth Proportional to 299,647.25, 413,514.62 and 163,683.08
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Solution
The fourth proportional to 299,647.25, 413,514.62 and 163,683.08 is: 225,883.42
Step by Step Solution
- Step 1: Write the proportion equation
299,647.25 : 413,514.62 = 163,683.08 : x - Step 2: Convert to fraction form
299,647.25/413,514.62 = 163,683.08/x - Step 3: Cross multiply
299,647.25x = 413,514.62 × 163,683.08 - Step 4: Simplify right side
299,647.25x = 67,685,343,740.64 - Step 5: Solve for x
x = 67,685,343,740.64/299,647.25 - Step 6: Final answer
x = 225,883.42
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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.