Finding the Fourth Proportional to 145,939.91, 201,394.38 and 82,277.75
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Solution
The fourth proportional to 145,939.91, 201,394.38 and 82,277.75 is: 113,541.78
Step by Step Solution
- Step 1: Write the proportion equation
145,939.91 : 201,394.38 = 82,277.75 : x - Step 2: Convert to fraction form
145,939.91/201,394.38 = 82,277.75/x - Step 3: Cross multiply
145,939.91x = 201,394.38 × 82,277.75 - Step 4: Simplify right side
145,939.91x = 16,570,276,952.53 - Step 5: Solve for x
x = 16,570,276,952.53/145,939.91 - Step 6: Final answer
x = 113,541.78
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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.