Finding the Fourth Proportional to 126,445.22, 189,696.08 and 47,560.14
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Solution
The fourth proportional to 126,445.22, 189,696.08 and 47,560.14 is: 71,350.84
Step by Step Solution
- Step 1: Write the proportion equation
126,445.22 : 189,696.08 = 47,560.14 : x - Step 2: Convert to fraction form
126,445.22/189,696.08 = 47,560.14/x - Step 3: Cross multiply
126,445.22x = 189,696.08 × 47,560.14 - Step 4: Simplify right side
126,445.22x = 9,021,972,122.25 - Step 5: Solve for x
x = 9,021,972,122.25/126,445.22 - Step 6: Final answer
x = 71,350.84
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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.