Finding the Fourth Proportional to 217,551.36, 326,149.92 and 84,362.88
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Solution
The fourth proportional to 217,551.36, 326,149.92 and 84,362.88 is: 126,475.64
Step by Step Solution
- Step 1: Write the proportion equation
217,551.36 : 326,149.92 = 84,362.88 : x - Step 2: Convert to fraction form
217,551.36/326,149.92 = 84,362.88/x - Step 3: Cross multiply
217,551.36x = 326,149.92 × 84,362.88 - Step 4: Simplify right side
217,551.36x = 27,514,946,562.97 - Step 5: Solve for x
x = 27,514,946,562.97/217,551.36 - Step 6: Final answer
x = 126,475.64
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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.