Finding the Fourth Proportional to 215,197.24, 296,960.40 and 118,399.26
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Solution
The fourth proportional to 215,197.24, 296,960.40 and 118,399.26 is: 163,384.49
Step by Step Solution
- Step 1: Write the proportion equation
215,197.24 : 296,960.40 = 118,399.26 : x - Step 2: Convert to fraction form
215,197.24/296,960.40 = 118,399.26/x - Step 3: Cross multiply
215,197.24x = 296,960.40 × 118,399.26 - Step 4: Simplify right side
215,197.24x = 35,159,891,609.30 - Step 5: Solve for x
x = 35,159,891,609.30/215,197.24 - Step 6: Final answer
x = 163,384.49
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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.