Finding the Fourth Proportional to 193,489.74, 290,236.23 and 53,256.06
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Solution
The fourth proportional to 193,489.74, 290,236.23 and 53,256.06 is: 79,884.54
Step by Step Solution
- Step 1: Write the proportion equation
193,489.74 : 290,236.23 = 53,256.06 : x - Step 2: Convert to fraction form
193,489.74/290,236.23 = 53,256.06/x - Step 3: Cross multiply
193,489.74x = 290,236.23 × 53,256.06 - Step 4: Simplify right side
193,489.74x = 15,456,838,079.05 - Step 5: Solve for x
x = 15,456,838,079.05/193,489.74 - Step 6: Final answer
x = 79,884.54
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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.