Finding the Fourth Proportional to 135,356.88, 202,985.28 and 46,585.92
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Solution
The fourth proportional to 135,356.88, 202,985.28 and 46,585.92 is: 69,861.66
Step by Step Solution
- Step 1: Write the proportion equation
135,356.88 : 202,985.28 = 46,585.92 : x - Step 2: Convert to fraction form
135,356.88/202,985.28 = 46,585.92/x - Step 3: Cross multiply
135,356.88x = 202,985.28 × 46,585.92 - Step 4: Simplify right side
135,356.88x = 9,456,256,015.26 - Step 5: Solve for x
x = 9,456,256,015.26/135,356.88 - Step 6: Final answer
x = 69,861.66
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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.