Finding the Fourth Proportional to 270,197.13, 372,678.66 and 189,642.63
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Solution
The fourth proportional to 270,197.13, 372,678.66 and 189,642.63 is: 261,571.10
Step by Step Solution
- Step 1: Write the proportion equation
270,197.13 : 372,678.66 = 189,642.63 : x - Step 2: Convert to fraction form
270,197.13/372,678.66 = 189,642.63/x - Step 3: Cross multiply
270,197.13x = 372,678.66 × 189,642.63 - Step 4: Simplify right side
270,197.13x = 70,675,761,227.28 - Step 5: Solve for x
x = 70,675,761,227.28/270,197.13 - Step 6: Final answer
x = 261,571.10
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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.