Finding the Fourth Proportional to 387,966.51, 582,091.92 and 163,383.48
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Solution
The fourth proportional to 387,966.51, 582,091.92 and 163,383.48 is: 245,135.09
Step by Step Solution
- Step 1: Write the proportion equation
387,966.51 : 582,091.92 = 163,383.48 : x - Step 2: Convert to fraction form
387,966.51/582,091.92 = 163,383.48/x - Step 3: Cross multiply
387,966.51x = 582,091.92 × 163,383.48 - Step 4: Simplify right side
387,966.51x = 95,104,203,569.48 - Step 5: Solve for x
x = 95,104,203,569.48/387,966.51 - Step 6: Final answer
x = 245,135.09
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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.