Finding the Fourth Proportional to 236,965.20, 327,005.88 and 129,532.08
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Solution
The fourth proportional to 236,965.20, 327,005.88 and 129,532.08 is: 178,750.94
Step by Step Solution
- Step 1: Write the proportion equation
236,965.20 : 327,005.88 = 129,532.08 : x - Step 2: Convert to fraction form
236,965.20/327,005.88 = 129,532.08/x - Step 3: Cross multiply
236,965.20x = 327,005.88 × 129,532.08 - Step 4: Simplify right side
236,965.20x = 42,357,751,808.63 - Step 5: Solve for x
x = 42,357,751,808.63/236,965.20 - Step 6: Final answer
x = 178,750.94
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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.