Finding the Fourth Proportional to 265,192.98, 397,790.55 and 107,424.42
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Solution
The fourth proportional to 265,192.98, 397,790.55 and 107,424.42 is: 161,137.07
Step by Step Solution
- Step 1: Write the proportion equation
265,192.98 : 397,790.55 = 107,424.42 : x - Step 2: Convert to fraction form
265,192.98/397,790.55 = 107,424.42/x - Step 3: Cross multiply
265,192.98x = 397,790.55 × 107,424.42 - Step 4: Simplify right side
265,192.98x = 42,732,419,115.23 - Step 5: Solve for x
x = 42,732,419,115.23/265,192.98 - Step 6: Final answer
x = 161,137.07
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1.5x scale
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.