Finding the Fourth Proportional to 171,764.46, 257,239.44 and 136,111.14
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Solution
The fourth proportional to 171,764.46, 257,239.44 and 136,111.14 is: 203,843.99
Step by Step Solution
- Step 1: Write the proportion equation
171,764.46 : 257,239.44 = 136,111.14 : x - Step 2: Convert to fraction form
171,764.46/257,239.44 = 136,111.14/x - Step 3: Cross multiply
171,764.46x = 257,239.44 × 136,111.14 - Step 4: Simplify right side
171,764.46x = 35,013,153,431.36 - Step 5: Solve for x
x = 35,013,153,431.36/171,764.46 - Step 6: Final answer
x = 203,843.99
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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.