Finding the Fourth Proportional to 163,537.80, 245,306.70 and 107,550.60
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Solution
The fourth proportional to 163,537.80, 245,306.70 and 107,550.60 is: 161,325.90
Step by Step Solution
- Step 1: Write the proportion equation
163,537.80 : 245,306.70 = 107,550.60 : x - Step 2: Convert to fraction form
163,537.80/245,306.70 = 107,550.60/x - Step 3: Cross multiply
163,537.80x = 245,306.70 × 107,550.60 - Step 4: Simplify right side
163,537.80x = 26,382,882,769.02 - Step 5: Solve for x
x = 26,382,882,769.02/163,537.80 - Step 6: Final answer
x = 161,325.90
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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.