Finding the Fourth Proportional to 202,161.10, 303,460.35 and 127,365.70
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Solution
The fourth proportional to 202,161.10, 303,460.35 and 127,365.70 is: 191,186.34
Step by Step Solution
- Step 1: Write the proportion equation
202,161.10 : 303,460.35 = 127,365.70 : x - Step 2: Convert to fraction form
202,161.10/303,460.35 = 127,365.70/x - Step 3: Cross multiply
202,161.10x = 303,460.35 × 127,365.70 - Step 4: Simplify right side
202,161.10x = 38,650,439,900.00 - Step 5: Solve for x
x = 38,650,439,900.00/202,161.10 - Step 6: Final answer
x = 191,186.34
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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.