Finding the Fourth Proportional to 193,481.97, 266,990.46 and 108,582.63
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Solution
The fourth proportional to 193,481.97, 266,990.46 and 108,582.63 is: 149,835.80
Step by Step Solution
- Step 1: Write the proportion equation
193,481.97 : 266,990.46 = 108,582.63 : x - Step 2: Convert to fraction form
193,481.97/266,990.46 = 108,582.63/x - Step 3: Cross multiply
193,481.97x = 266,990.46 × 108,582.63 - Step 4: Simplify right side
193,481.97x = 28,990,526,331.71 - Step 5: Solve for x
x = 28,990,526,331.71/193,481.97 - Step 6: Final answer
x = 149,835.80
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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.