Finding the Fourth Proportional to 181,405.74, 272,108.66 and 53,322.05
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Solution
The fourth proportional to 181,405.74, 272,108.66 and 53,322.05 is: 79,983.09
Step by Step Solution
- Step 1: Write the proportion equation
181,405.74 : 272,108.66 = 53,322.05 : x - Step 2: Convert to fraction form
181,405.74/272,108.66 = 53,322.05/x - Step 3: Cross multiply
181,405.74x = 272,108.66 × 53,322.05 - Step 4: Simplify right side
181,405.74x = 14,509,391,573.95 - Step 5: Solve for x
x = 14,509,391,573.95/181,405.74 - Step 6: Final answer
x = 79,983.09
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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.