Finding the Fourth Proportional to 255,402.36, 352,455.26 and 148,034.68
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Solution
The fourth proportional to 255,402.36, 352,455.26 and 148,034.68 is: 204,287.86
Step by Step Solution
- Step 1: Write the proportion equation
255,402.36 : 352,455.26 = 148,034.68 : x - Step 2: Convert to fraction form
255,402.36/352,455.26 = 148,034.68/x - Step 3: Cross multiply
255,402.36x = 352,455.26 × 148,034.68 - Step 4: Simplify right side
255,402.36x = 52,175,601,628.42 - Step 5: Solve for x
x = 52,175,601,628.42/255,402.36 - Step 6: Final answer
x = 204,287.86
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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.