Finding the Fourth Proportional to 161,727.36, 242,582.80 and 61,879.88
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Solution
The fourth proportional to 161,727.36, 242,582.80 and 61,879.88 is: 92,816.67
Step by Step Solution
- Step 1: Write the proportion equation
161,727.36 : 242,582.80 = 61,879.88 : x - Step 2: Convert to fraction form
161,727.36/242,582.80 = 61,879.88/x - Step 3: Cross multiply
161,727.36x = 242,582.80 × 61,879.88 - Step 4: Simplify right side
161,727.36x = 15,010,994,554.06 - Step 5: Solve for x
x = 15,010,994,554.06/161,727.36 - Step 6: Final answer
x = 92,816.67
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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.