Finding the Fourth Proportional to 258,197.80, 356,293.02 and 144,998.68
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Solution
The fourth proportional to 258,197.80, 356,293.02 and 144,998.68 is: 200,086.98
Step by Step Solution
- Step 1: Write the proportion equation
258,197.80 : 356,293.02 = 144,998.68 : x - Step 2: Convert to fraction form
258,197.80/356,293.02 = 144,998.68/x - Step 3: Cross multiply
258,197.80x = 356,293.02 × 144,998.68 - Step 4: Simplify right side
258,197.80x = 51,662,017,593.21 - Step 5: Solve for x
x = 51,662,017,593.21/258,197.80 - Step 6: Final answer
x = 200,086.98
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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.