Finding the Fourth Proportional to 343,553.28, 515,476.80 and 177,457.92
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Solution
The fourth proportional to 343,553.28, 515,476.80 and 177,457.92 is: 266,262.75
Step by Step Solution
- Step 1: Write the proportion equation
343,553.28 : 515,476.80 = 177,457.92 : x - Step 2: Convert to fraction form
343,553.28/515,476.80 = 177,457.92/x - Step 3: Cross multiply
343,553.28x = 515,476.80 × 177,457.92 - Step 4: Simplify right side
343,553.28x = 91,475,440,736.26 - Step 5: Solve for x
x = 91,475,440,736.26/343,553.28 - Step 6: Final answer
x = 266,262.75
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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.