Finding the Fourth Proportional to 135,859.83, 202,381.89 and 133,624.23
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Solution
The fourth proportional to 135,859.83, 202,381.89 and 133,624.23 is: 199,051.66
Step by Step Solution
- Step 1: Write the proportion equation
135,859.83 : 202,381.89 = 133,624.23 : x - Step 2: Convert to fraction form
135,859.83/202,381.89 = 133,624.23/x - Step 3: Cross multiply
135,859.83x = 202,381.89 × 133,624.23 - Step 4: Simplify right side
135,859.83x = 27,043,123,205.29 - Step 5: Solve for x
x = 27,043,123,205.29/135,859.83 - Step 6: Final answer
x = 199,051.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.