Finding the Fourth Proportional to 227,359.68, 313,640.88 and 173,551.20
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Solution
The fourth proportional to 227,359.68, 313,640.88 and 173,551.20 is: 239,412.51
Step by Step Solution
- Step 1: Write the proportion equation
227,359.68 : 313,640.88 = 173,551.20 : x - Step 2: Convert to fraction form
227,359.68/313,640.88 = 173,551.20/x - Step 3: Cross multiply
227,359.68x = 313,640.88 × 173,551.20 - Step 4: Simplify right side
227,359.68x = 54,432,751,093.06 - Step 5: Solve for x
x = 54,432,751,093.06/227,359.68 - Step 6: Final answer
x = 239,412.51
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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.