Finding the Fourth Proportional to 145,965.44, 201,318.97 and 92,230.85
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Solution
The fourth proportional to 145,965.44, 201,318.97 and 92,230.85 is: 127,206.96
Step by Step Solution
- Step 1: Write the proportion equation
145,965.44 : 201,318.97 = 92,230.85 : x - Step 2: Convert to fraction form
145,965.44/201,318.97 = 92,230.85/x - Step 3: Cross multiply
145,965.44x = 201,318.97 × 92,230.85 - Step 4: Simplify right side
145,965.44x = 18,567,820,169.88 - Step 5: Solve for x
x = 18,567,820,169.88/145,965.44 - Step 6: Final answer
x = 127,206.96
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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.