Finding the Fourth Proportional to 343,865.75, 515,127.63 and 225,177.26
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Solution
The fourth proportional to 343,865.75, 515,127.63 and 225,177.26 is: 337,326.50
Step by Step Solution
- Step 1: Write the proportion equation
343,865.75 : 515,127.63 = 225,177.26 : x - Step 2: Convert to fraction form
343,865.75/515,127.63 = 225,177.26/x - Step 3: Cross multiply
343,865.75x = 515,127.63 × 225,177.26 - Step 4: Simplify right side
343,865.75x = 115,995,027,991.27 - Step 5: Solve for x
x = 115,995,027,991.27/343,865.75 - Step 6: Final answer
x = 337,326.50
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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.