Finding the Fourth Proportional to 265,138.18, 397,708.09 and 65,458.59
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Solution
The fourth proportional to 265,138.18, 397,708.09 and 65,458.59 is: 98,188.09
Step by Step Solution
- Step 1: Write the proportion equation
265,138.18 : 397,708.09 = 65,458.59 : x - Step 2: Convert to fraction form
265,138.18/397,708.09 = 65,458.59/x - Step 3: Cross multiply
265,138.18x = 397,708.09 × 65,458.59 - Step 4: Simplify right side
265,138.18x = 26,033,410,802.99 - Step 5: Solve for x
x = 26,033,410,802.99/265,138.18 - Step 6: Final answer
x = 98,188.09
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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.