Finding the Fourth Proportional to 324,369.36, 447,624.36 and 181,131.12
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Solution
The fourth proportional to 324,369.36, 447,624.36 and 181,131.12 is: 249,957.95
Step by Step Solution
- Step 1: Write the proportion equation
324,369.36 : 447,624.36 = 181,131.12 : x - Step 2: Convert to fraction form
324,369.36/447,624.36 = 181,131.12/x - Step 3: Cross multiply
324,369.36x = 447,624.36 × 181,131.12 - Step 4: Simplify right side
324,369.36x = 81,078,701,666.08 - Step 5: Solve for x
x = 81,078,701,666.08/324,369.36 - Step 6: Final answer
x = 249,957.95
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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.