Finding the Fourth Proportional to 438,122.73, 656,901.48 and 171,910.14
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Solution
The fourth proportional to 438,122.73, 656,901.48 and 171,910.14 is: 257,754.32
Step by Step Solution
- Step 1: Write the proportion equation
438,122.73 : 656,901.48 = 171,910.14 : x - Step 2: Convert to fraction form
438,122.73/656,901.48 = 171,910.14/x - Step 3: Cross multiply
438,122.73x = 656,901.48 × 171,910.14 - Step 4: Simplify right side
438,122.73x = 112,928,025,393.01 - Step 5: Solve for x
x = 112,928,025,393.01/438,122.73 - Step 6: Final answer
x = 257,754.32
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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.