Finding the Fourth Proportional to 171,596.06, 257,109.57 and 121,427.48
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Solution
The fourth proportional to 171,596.06, 257,109.57 and 121,427.48 is: 181,939.88
Step by Step Solution
- Step 1: Write the proportion equation
171,596.06 : 257,109.57 = 121,427.48 : x - Step 2: Convert to fraction form
171,596.06/257,109.57 = 121,427.48/x - Step 3: Cross multiply
171,596.06x = 257,109.57 × 121,427.48 - Step 4: Simplify right side
171,596.06x = 31,220,167,168.98 - Step 5: Solve for x
x = 31,220,167,168.98/171,596.06 - Step 6: Final answer
x = 181,939.88
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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.