Finding the Fourth Proportional to 217,557.92, 326,434.77 and 117,601.09
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Solution
The fourth proportional to 217,557.92, 326,434.77 and 117,601.09 is: 176,454.55
Step by Step Solution
- Step 1: Write the proportion equation
217,557.92 : 326,434.77 = 117,601.09 : x - Step 2: Convert to fraction form
217,557.92/326,434.77 = 117,601.09/x - Step 3: Cross multiply
217,557.92x = 326,434.77 × 117,601.09 - Step 4: Simplify right side
217,557.92x = 38,389,084,765.90 - Step 5: Solve for x
x = 38,389,084,765.90/217,557.92 - Step 6: Final answer
x = 176,454.55
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1.5x scale
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.