Finding the Fourth Proportional to 396,034.18, 546,350.07 and 234,896.02
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Solution
The fourth proportional to 396,034.18, 546,350.07 and 234,896.02 is: 324,051.47
Step by Step Solution
- Step 1: Write the proportion equation
396,034.18 : 546,350.07 = 234,896.02 : x - Step 2: Convert to fraction form
396,034.18/546,350.07 = 234,896.02/x - Step 3: Cross multiply
396,034.18x = 546,350.07 × 234,896.02 - Step 4: Simplify right side
396,034.18x = 128,335,456,969.72 - Step 5: Solve for x
x = 128,335,456,969.72/396,034.18 - Step 6: Final answer
x = 324,051.47
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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.