Finding the Fourth Proportional to 186,330.42, 257,136.96 and 101,448.09
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Solution
The fourth proportional to 186,330.42, 257,136.96 and 101,448.09 is: 139,998.90
Step by Step Solution
- Step 1: Write the proportion equation
186,330.42 : 257,136.96 = 101,448.09 : x - Step 2: Convert to fraction form
186,330.42/257,136.96 = 101,448.09/x - Step 3: Cross multiply
186,330.42x = 257,136.96 × 101,448.09 - Step 4: Simplify right side
186,330.42x = 26,086,053,460.41 - Step 5: Solve for x
x = 26,086,053,460.41/186,330.42 - Step 6: Final answer
x = 139,998.90
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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.