Finding the Fourth Proportional to 181,727.88, 272,605.86 and 55,378.95
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Solution
The fourth proportional to 181,727.88, 272,605.86 and 55,378.95 is: 83,072.70
Step by Step Solution
- Step 1: Write the proportion equation
181,727.88 : 272,605.86 = 55,378.95 : x - Step 2: Convert to fraction form
181,727.88/272,605.86 = 55,378.95/x - Step 3: Cross multiply
181,727.88x = 272,605.86 × 55,378.95 - Step 4: Simplify right side
181,727.88x = 15,096,626,290.65 - Step 5: Solve for x
x = 15,096,626,290.65/181,727.88 - Step 6: Final answer
x = 83,072.70
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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.