Finding the Fourth Proportional to 201,655.24, 278,370.37 and 143,549.48
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Solution
The fourth proportional to 201,655.24, 278,370.37 and 143,549.48 is: 198,159.61
Step by Step Solution
- Step 1: Write the proportion equation
201,655.24 : 278,370.37 = 143,549.48 : x - Step 2: Convert to fraction form
201,655.24/278,370.37 = 143,549.48/x - Step 3: Cross multiply
201,655.24x = 278,370.37 × 143,549.48 - Step 4: Simplify right side
201,655.24x = 39,959,922,736.27 - Step 5: Solve for x
x = 39,959,922,736.27/201,655.24 - Step 6: Final answer
x = 198,159.61
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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.