Finding the Fourth Proportional to 372,057.18, 512,527.59 and 269,782.08
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Solution
The fourth proportional to 372,057.18, 512,527.59 and 269,782.08 is: 371,638.47
Step by Step Solution
- Step 1: Write the proportion equation
372,057.18 : 512,527.59 = 269,782.08 : x - Step 2: Convert to fraction form
372,057.18/512,527.59 = 269,782.08/x - Step 3: Cross multiply
372,057.18x = 512,527.59 × 269,782.08 - Step 4: Simplify right side
372,057.18x = 138,270,759,287.59 - Step 5: Solve for x
x = 138,270,759,287.59/372,057.18 - Step 6: Final answer
x = 371,638.47
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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.