Finding the Fourth Proportional to 248,165.52, 372,313.86 and 129,805.08
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Solution
The fourth proportional to 248,165.52, 372,313.86 and 129,805.08 is: 194,741.92
Step by Step Solution
- Step 1: Write the proportion equation
248,165.52 : 372,313.86 = 129,805.08 : x - Step 2: Convert to fraction form
248,165.52/372,313.86 = 129,805.08/x - Step 3: Cross multiply
248,165.52x = 372,313.86 × 129,805.08 - Step 4: Simplify right side
248,165.52x = 48,328,230,382.41 - Step 5: Solve for x
x = 48,328,230,382.41/248,165.52 - Step 6: Final answer
x = 194,741.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.