Finding the Fourth Proportional to 270,131.19, 372,803.49 and 149,296.07
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Solution
The fourth proportional to 270,131.19, 372,803.49 and 149,296.07 is: 206,040.98
Step by Step Solution
- Step 1: Write the proportion equation
270,131.19 : 372,803.49 = 149,296.07 : x - Step 2: Convert to fraction form
270,131.19/372,803.49 = 149,296.07/x - Step 3: Cross multiply
270,131.19x = 372,803.49 × 149,296.07 - Step 4: Simplify right side
270,131.19x = 55,658,094,075.27 - Step 5: Solve for x
x = 55,658,094,075.27/270,131.19 - Step 6: Final answer
x = 206,040.98
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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.