Finding the Fourth Proportional to 186,330.48, 257,136.60 and 101,448.12
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Solution
The fourth proportional to 186,330.48, 257,136.60 and 101,448.12 is: 139,998.70
Step by Step Solution
- Step 1: Write the proportion equation
186,330.48 : 257,136.60 = 101,448.12 : x - Step 2: Convert to fraction form
186,330.48/257,136.60 = 101,448.12/x - Step 3: Cross multiply
186,330.48x = 257,136.60 × 101,448.12 - Step 4: Simplify right side
186,330.48x = 26,086,024,653.19 - Step 5: Solve for x
x = 26,086,024,653.19/186,330.48 - Step 6: Final answer
x = 139,998.70
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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.