Finding the Fourth Proportional to 218,116.70, 327,175.05 and 202,370.30
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Solution
The fourth proportional to 218,116.70, 327,175.05 and 202,370.30 is: 303,555.45
Step by Step Solution
- Step 1: Write the proportion equation
218,116.70 : 327,175.05 = 202,370.30 : x - Step 2: Convert to fraction form
218,116.70/327,175.05 = 202,370.30/x - Step 3: Cross multiply
218,116.70x = 327,175.05 × 202,370.30 - Step 4: Simplify right side
218,116.70x = 66,210,513,021.02 - Step 5: Solve for x
x = 66,210,513,021.02/218,116.70 - Step 6: Final answer
x = 303,555.45
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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.