Finding the Fourth Proportional to 170,469.09, 235,200.11 and 97,871.63
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Solution
The fourth proportional to 170,469.09, 235,200.11 and 97,871.63 is: 135,035.72
Step by Step Solution
- Step 1: Write the proportion equation
170,469.09 : 235,200.11 = 97,871.63 : x - Step 2: Convert to fraction form
170,469.09/235,200.11 = 97,871.63/x - Step 3: Cross multiply
170,469.09x = 235,200.11 × 97,871.63 - Step 4: Simplify right side
170,469.09x = 23,019,416,476.52 - Step 5: Solve for x
x = 23,019,416,476.52/170,469.09 - Step 6: Final answer
x = 135,035.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.