Finding the Fourth Proportional to 217,558.92, 326,436.27 and 117,602.09
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Solution
The fourth proportional to 217,558.92, 326,436.27 and 117,602.09 is: 176,456.05
Step by Step Solution
- Step 1: Write the proportion equation
217,558.92 : 326,436.27 = 117,602.09 : x - Step 2: Convert to fraction form
217,558.92/326,436.27 = 117,602.09/x - Step 3: Cross multiply
217,558.92x = 326,436.27 × 117,602.09 - Step 4: Simplify right side
217,558.92x = 38,389,587,603.80 - Step 5: Solve for x
x = 38,389,587,603.80/217,558.92 - Step 6: Final answer
x = 176,456.05
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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.