Finding the Fourth Proportional to 236,496.92, 354,534.39 and 86,702.23
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Solution
The fourth proportional to 236,496.92, 354,534.39 and 86,702.23 is: 129,975.99
Step by Step Solution
- Step 1: Write the proportion equation
236,496.92 : 354,534.39 = 86,702.23 : x - Step 2: Convert to fraction form
236,496.92/354,534.39 = 86,702.23/x - Step 3: Cross multiply
236,496.92x = 354,534.39 × 86,702.23 - Step 4: Simplify right side
236,496.92x = 30,738,921,338.35 - Step 5: Solve for x
x = 30,738,921,338.35/236,496.92 - Step 6: Final answer
x = 129,975.99
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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.