Finding the Fourth Proportional to 217,743.03, 300,480.93 and 122,249.70
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Solution
The fourth proportional to 217,743.03, 300,480.93 and 122,249.70 is: 168,702.09
Step by Step Solution
- Step 1: Write the proportion equation
217,743.03 : 300,480.93 = 122,249.70 : x - Step 2: Convert to fraction form
217,743.03/300,480.93 = 122,249.70/x - Step 3: Cross multiply
217,743.03x = 300,480.93 × 122,249.70 - Step 4: Simplify right side
217,743.03x = 36,733,703,548.22 - Step 5: Solve for x
x = 36,733,703,548.22/217,743.03 - Step 6: Final answer
x = 168,702.09
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1.5x scale
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.