Finding the Fourth Proportional to 396,160.32, 546,805.44 and 245,383.68
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Solution
The fourth proportional to 396,160.32, 546,805.44 and 245,383.68 is: 338,694.02
Step by Step Solution
- Step 1: Write the proportion equation
396,160.32 : 546,805.44 = 245,383.68 : x - Step 2: Convert to fraction form
396,160.32/546,805.44 = 245,383.68/x - Step 3: Cross multiply
396,160.32x = 546,805.44 × 245,383.68 - Step 4: Simplify right side
396,160.32x = 134,177,131,111.22 - Step 5: Solve for x
x = 134,177,131,111.22/396,160.32 - Step 6: Final answer
x = 338,694.02
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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.