Finding the Fourth Proportional to 202,207.90, 303,166.05 and 132,126.70
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Solution
The fourth proportional to 202,207.90, 303,166.05 and 132,126.70 is: 198,094.78
Step by Step Solution
- Step 1: Write the proportion equation
202,207.90 : 303,166.05 = 132,126.70 : x - Step 2: Convert to fraction form
202,207.90/303,166.05 = 132,126.70/x - Step 3: Cross multiply
202,207.90x = 303,166.05 × 132,126.70 - Step 4: Simplify right side
202,207.90x = 40,056,329,738.54 - Step 5: Solve for x
x = 40,056,329,738.54/202,207.90 - Step 6: Final answer
x = 198,094.78
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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.