Finding the Fourth Proportional to 243,986.96, 336,701.96 and 136,556.99
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Solution
The fourth proportional to 243,986.96, 336,701.96 and 136,556.99 is: 188,448.62
Step by Step Solution
- Step 1: Write the proportion equation
243,986.96 : 336,701.96 = 136,556.99 : x - Step 2: Convert to fraction form
243,986.96/336,701.96 = 136,556.99/x - Step 3: Cross multiply
243,986.96x = 336,701.96 × 136,556.99 - Step 4: Simplify right side
243,986.96x = 45,979,006,361.26 - Step 5: Solve for x
x = 45,979,006,361.26/243,986.96 - Step 6: Final answer
x = 188,448.62
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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.