Finding the Fourth Proportional to 215,203.80, 296,974.44 and 119,709.66
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Solution
The fourth proportional to 215,203.80, 296,974.44 and 119,709.66 is: 165,195.55
Step by Step Solution
- Step 1: Write the proportion equation
215,203.80 : 296,974.44 = 119,709.66 : x - Step 2: Convert to fraction form
215,203.80/296,974.44 = 119,709.66/x - Step 3: Cross multiply
215,203.80x = 296,974.44 × 119,709.66 - Step 4: Simplify right side
215,203.80x = 35,550,709,241.09 - Step 5: Solve for x
x = 35,550,709,241.09/215,203.80 - Step 6: Final answer
x = 165,195.55
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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.