Finding the Fourth Proportional to 193,399.84, 266,910.96 and 129,869.92
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Solution
The fourth proportional to 193,399.84, 266,910.96 and 129,869.92 is: 179,233.37
Step by Step Solution
- Step 1: Write the proportion equation
193,399.84 : 266,910.96 = 129,869.92 : x - Step 2: Convert to fraction form
193,399.84/266,910.96 = 129,869.92/x - Step 3: Cross multiply
193,399.84x = 266,910.96 × 129,869.92 - Step 4: Simplify right side
193,399.84x = 34,663,705,022.32 - Step 5: Solve for x
x = 34,663,705,022.32/193,399.84 - Step 6: Final answer
x = 179,233.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.