Finding the Fourth Proportional to 202,186.20, 303,607.35 and 113,612.70
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Solution
The fourth proportional to 202,186.20, 303,607.35 and 113,612.70 is: 170,603.39
Step by Step Solution
- Step 1: Write the proportion equation
202,186.20 : 303,607.35 = 113,612.70 : x - Step 2: Convert to fraction form
202,186.20/303,607.35 = 113,612.70/x - Step 3: Cross multiply
202,186.20x = 303,607.35 × 113,612.70 - Step 4: Simplify right side
202,186.20x = 34,493,650,773.35 - Step 5: Solve for x
x = 34,493,650,773.35/202,186.20 - Step 6: Final answer
x = 170,603.39
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1.5x scale
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.