Finding the Fourth Proportional to 236,958.50, 327,002.75 and 129,528.96
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Solution
The fourth proportional to 236,958.50, 327,002.75 and 129,528.96 is: 178,749.98
Step by Step Solution
- Step 1: Write the proportion equation
236,958.50 : 327,002.75 = 129,528.96 : x - Step 2: Convert to fraction form
236,958.50/327,002.75 = 129,528.96/x - Step 3: Cross multiply
236,958.50x = 327,002.75 × 129,528.96 - Step 4: Simplify right side
236,958.50x = 42,356,325,477.00 - Step 5: Solve for x
x = 42,356,325,477.00/236,958.50 - Step 6: Final answer
x = 178,749.98
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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.