Finding the Fourth Proportional to 202,219.80, 303,329.70 and 135,864.60
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Solution
The fourth proportional to 202,219.80, 303,329.70 and 135,864.60 is: 203,796.90
Step by Step Solution
- Step 1: Write the proportion equation
202,219.80 : 303,329.70 = 135,864.60 : x - Step 2: Convert to fraction form
202,219.80/303,329.70 = 135,864.60/x - Step 3: Cross multiply
202,219.80x = 303,329.70 × 135,864.60 - Step 4: Simplify right side
202,219.80x = 41,211,768,358.62 - Step 5: Solve for x
x = 41,211,768,358.62/202,219.80 - Step 6: Final answer
x = 203,796.90
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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.