Finding the Fourth Proportional to 258,183.36, 356,326.50 and 145,006.14
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Solution
The fourth proportional to 258,183.36, 356,326.50 and 145,006.14 is: 200,127.27
Step by Step Solution
- Step 1: Write the proportion equation
258,183.36 : 356,326.50 = 145,006.14 : x - Step 2: Convert to fraction form
258,183.36/356,326.50 = 145,006.14/x - Step 3: Cross multiply
258,183.36x = 356,326.50 × 145,006.14 - Step 4: Simplify right side
258,183.36x = 51,669,530,344.71 - Step 5: Solve for x
x = 51,669,530,344.71/258,183.36 - Step 6: Final answer
x = 200,127.27
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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.