Finding the Fourth Proportional to 265,405.23, 398,105.42 and 107,596.17
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Solution
The fourth proportional to 265,405.23, 398,105.42 and 107,596.17 is: 161,393.27
Step by Step Solution
- Step 1: Write the proportion equation
265,405.23 : 398,105.42 = 107,596.17 : x - Step 2: Convert to fraction form
265,405.23/398,105.42 = 107,596.17/x - Step 3: Cross multiply
265,405.23x = 398,105.42 × 107,596.17 - Step 4: Simplify right side
265,405.23x = 42,834,617,910.26 - Step 5: Solve for x
x = 42,834,617,910.26/265,405.23 - Step 6: Final answer
x = 161,393.27
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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.