Finding the Fourth Proportional to 108,229.05, 149,376.62 and 71,370.41
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Solution
The fourth proportional to 108,229.05, 149,376.62 and 71,370.41 is: 98,504.70
Step by Step Solution
- Step 1: Write the proportion equation
108,229.05 : 149,376.62 = 71,370.41 : x - Step 2: Convert to fraction form
108,229.05/149,376.62 = 71,370.41/x - Step 3: Cross multiply
108,229.05x = 149,376.62 × 71,370.41 - Step 4: Simplify right side
108,229.05x = 10,661,070,045.36 - Step 5: Solve for x
x = 10,661,070,045.36/108,229.05 - Step 6: Final answer
x = 98,504.70
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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.