Finding the Fourth Proportional to 193,955.19, 290,937.66 and 53,715.03
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Solution
The fourth proportional to 193,955.19, 290,937.66 and 53,715.03 is: 80,573.90
Step by Step Solution
- Step 1: Write the proportion equation
193,955.19 : 290,937.66 = 53,715.03 : x - Step 2: Convert to fraction form
193,955.19/290,937.66 = 53,715.03/x - Step 3: Cross multiply
193,955.19x = 290,937.66 × 53,715.03 - Step 4: Simplify right side
193,955.19x = 15,627,725,135.03 - Step 5: Solve for x
x = 15,627,725,135.03/193,955.19 - Step 6: Final answer
x = 80,573.90
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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.