Finding the Fourth Proportional to 204,765.94, 282,721.08 and 143,642.08
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Solution
The fourth proportional to 204,765.94, 282,721.08 and 143,642.08 is: 198,327.14
Step by Step Solution
- Step 1: Write the proportion equation
204,765.94 : 282,721.08 = 143,642.08 : x - Step 2: Convert to fraction form
204,765.94/282,721.08 = 143,642.08/x - Step 3: Cross multiply
204,765.94x = 282,721.08 × 143,642.08 - Step 4: Simplify right side
204,765.94x = 40,610,643,991.05 - Step 5: Solve for x
x = 40,610,643,991.05/204,765.94 - Step 6: Final answer
x = 198,327.14
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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.