Finding the Fourth Proportional to 112,229.68, 168,315.60 and 33,326.08
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Solution
The fourth proportional to 112,229.68, 168,315.60 and 33,326.08 is: 49,980.53
Step by Step Solution
- Step 1: Write the proportion equation
112,229.68 : 168,315.60 = 33,326.08 : x - Step 2: Convert to fraction form
112,229.68/168,315.60 = 33,326.08/x - Step 3: Cross multiply
112,229.68x = 168,315.60 × 33,326.08 - Step 4: Simplify right side
112,229.68x = 5,609,299,150.85 - Step 5: Solve for x
x = 5,609,299,150.85/112,229.68 - Step 6: Final answer
x = 49,980.53
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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.