Finding the Fourth Proportional to 201,678.18, 302,567.13 and 83,383.26
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Solution
The fourth proportional to 201,678.18, 302,567.13 and 83,383.26 is: 125,095.50
Step by Step Solution
- Step 1: Write the proportion equation
201,678.18 : 302,567.13 = 83,383.26 : x - Step 2: Convert to fraction form
201,678.18/302,567.13 = 83,383.26/x - Step 3: Cross multiply
201,678.18x = 302,567.13 × 83,383.26 - Step 4: Simplify right side
201,678.18x = 25,229,033,668.24 - Step 5: Solve for x
x = 25,229,033,668.24/201,678.18 - Step 6: Final answer
x = 125,095.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.