Finding the Fourth Proportional to 202,193.20, 303,539.40 and 127,313.20
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Solution
The fourth proportional to 202,193.20, 303,539.40 and 127,313.20 is: 191,126.96
Step by Step Solution
- Step 1: Write the proportion equation
202,193.20 : 303,539.40 = 127,313.20 : x - Step 2: Convert to fraction form
202,193.20/303,539.40 = 127,313.20/x - Step 3: Cross multiply
202,193.20x = 303,539.40 × 127,313.20 - Step 4: Simplify right side
202,193.20x = 38,644,572,340.08 - Step 5: Solve for x
x = 38,644,572,340.08/202,193.20 - Step 6: Final answer
x = 191,126.96
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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.