Finding the Fourth Proportional to 193,543.49, 290,349.27 and 88,373.09
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Solution
The fourth proportional to 193,543.49, 290,349.27 and 88,373.09 is: 132,575.17
Step by Step Solution
- Step 1: Write the proportion equation
193,543.49 : 290,349.27 = 88,373.09 : x - Step 2: Convert to fraction form
193,543.49/290,349.27 = 88,373.09/x - Step 3: Cross multiply
193,543.49x = 290,349.27 × 88,373.09 - Step 4: Simplify right side
193,543.49x = 25,659,060,717.40 - Step 5: Solve for x
x = 25,659,060,717.40/193,543.49 - Step 6: Final answer
x = 132,575.17
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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.