Finding the Fourth Proportional to 193,910.13, 290,657.66 and 93,933.09
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Solution
The fourth proportional to 193,910.13, 290,657.66 and 93,933.09 is: 140,799.10
Step by Step Solution
- Step 1: Write the proportion equation
193,910.13 : 290,657.66 = 93,933.09 : x - Step 2: Convert to fraction form
193,910.13/290,657.66 = 93,933.09/x - Step 3: Cross multiply
193,910.13x = 290,657.66 × 93,933.09 - Step 4: Simplify right side
193,910.13x = 27,302,371,666.30 - Step 5: Solve for x
x = 27,302,371,666.30/193,910.13 - Step 6: Final answer
x = 140,799.10
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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.