Finding the Fourth Proportional to 145,640.18, 200,879.93 and 97,217.70
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Solution
The fourth proportional to 145,640.18, 200,879.93 and 97,217.70 is: 134,091.33
Step by Step Solution
- Step 1: Write the proportion equation
145,640.18 : 200,879.93 = 97,217.70 : x - Step 2: Convert to fraction form
145,640.18/200,879.93 = 97,217.70/x - Step 3: Cross multiply
145,640.18x = 200,879.93 × 97,217.70 - Step 4: Simplify right side
145,640.18x = 19,529,084,284.67 - Step 5: Solve for x
x = 19,529,084,284.67/145,640.18 - Step 6: Final answer
x = 134,091.33
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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.