Finding the Fourth Proportional to 145,975.77, 201,446.23 and 82,313.12
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Solution
The fourth proportional to 145,975.77, 201,446.23 and 82,313.12 is: 113,591.92
Step by Step Solution
- Step 1: Write the proportion equation
145,975.77 : 201,446.23 = 82,313.12 : x - Step 2: Convert to fraction form
145,975.77/201,446.23 = 82,313.12/x - Step 3: Cross multiply
145,975.77x = 201,446.23 × 82,313.12 - Step 4: Simplify right side
145,975.77x = 16,581,667,703.54 - Step 5: Solve for x
x = 16,581,667,703.54/145,975.77 - Step 6: Final answer
x = 113,591.92
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1.5x scale
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.