Finding the Fourth Proportional to 135,310.22, 202,743.69 and 72,063.19
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Solution
The fourth proportional to 135,310.22, 202,743.69 and 72,063.19 is: 107,976.74
Step by Step Solution
- Step 1: Write the proportion equation
135,310.22 : 202,743.69 = 72,063.19 : x - Step 2: Convert to fraction form
135,310.22/202,743.69 = 72,063.19/x - Step 3: Cross multiply
135,310.22x = 202,743.69 × 72,063.19 - Step 4: Simplify right side
135,310.22x = 14,610,357,053.77 - Step 5: Solve for x
x = 14,610,357,053.77/135,310.22 - Step 6: Final answer
x = 107,976.74
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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.