Finding the Fourth Proportional to 345,529.80, 476,668.14 and 202,201.14
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Solution
The fourth proportional to 345,529.80, 476,668.14 and 202,201.14 is: 278,942.20
Step by Step Solution
- Step 1: Write the proportion equation
345,529.80 : 476,668.14 = 202,201.14 : x - Step 2: Convert to fraction form
345,529.80/476,668.14 = 202,201.14/x - Step 3: Cross multiply
345,529.80x = 476,668.14 × 202,201.14 - Step 4: Simplify right side
345,529.80x = 96,382,841,309.68 - Step 5: Solve for x
x = 96,382,841,309.68/345,529.80 - Step 6: Final answer
x = 278,942.20
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1.5x scale
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.