Finding the Fourth Proportional to 202,157.70, 303,486.15 and 127,277.70
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Solution
The fourth proportional to 202,157.70, 303,486.15 and 127,277.70 is: 191,073.70
Step by Step Solution
- Step 1: Write the proportion equation
202,157.70 : 303,486.15 = 127,277.70 : x - Step 2: Convert to fraction form
202,157.70/303,486.15 = 127,277.70/x - Step 3: Cross multiply
202,157.70x = 303,486.15 × 127,277.70 - Step 4: Simplify right side
202,157.70x = 38,627,019,153.86 - Step 5: Solve for x
x = 38,627,019,153.86/202,157.70 - Step 6: Final answer
x = 191,073.70
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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.