Finding the Fourth Proportional to 242,660.75, 334,896.87 and 145,896.26
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Solution
The fourth proportional to 242,660.75, 334,896.87 and 145,896.26 is: 201,351.89
Step by Step Solution
- Step 1: Write the proportion equation
242,660.75 : 334,896.87 = 145,896.26 : x - Step 2: Convert to fraction form
242,660.75/334,896.87 = 145,896.26/x - Step 3: Cross multiply
242,660.75x = 334,896.87 × 145,896.26 - Step 4: Simplify right side
242,660.75x = 48,860,199,144.22 - Step 5: Solve for x
x = 48,860,199,144.22/242,660.75 - Step 6: Final answer
x = 201,351.89
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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.