Finding the Fourth Proportional to 121,335.50, 182,027.86 and 46,458.09
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Solution
The fourth proportional to 121,335.50, 182,027.86 and 46,458.09 is: 69,696.56
Step by Step Solution
- Step 1: Write the proportion equation
121,335.50 : 182,027.86 = 46,458.09 : x - Step 2: Convert to fraction form
121,335.50/182,027.86 = 46,458.09/x - Step 3: Cross multiply
121,335.50x = 182,027.86 × 46,458.09 - Step 4: Simplify right side
121,335.50x = 8,456,666,586.24 - Step 5: Solve for x
x = 8,456,666,586.24/121,335.50 - Step 6: Final answer
x = 69,696.56
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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.