Finding the Fourth Proportional to 215,087.80, 296,804.64 and 119,579.08
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Solution
The fourth proportional to 215,087.80, 296,804.64 and 119,579.08 is: 165,009.94
Step by Step Solution
- Step 1: Write the proportion equation
215,087.80 : 296,804.64 = 119,579.08 : x - Step 2: Convert to fraction form
215,087.80/296,804.64 = 119,579.08/x - Step 3: Cross multiply
215,087.80x = 296,804.64 × 119,579.08 - Step 4: Simplify right side
215,087.80x = 35,491,625,790.93 - Step 5: Solve for x
x = 35,491,625,790.93/215,087.80 - Step 6: Final answer
x = 165,009.94
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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.