Finding the Fourth Proportional to 187,367.91, 258,571.81 and 102,484.97
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Solution
The fourth proportional to 187,367.91, 258,571.81 and 102,484.97 is: 141,431.50
Step by Step Solution
- Step 1: Write the proportion equation
187,367.91 : 258,571.81 = 102,484.97 : x - Step 2: Convert to fraction form
187,367.91/258,571.81 = 102,484.97/x - Step 3: Cross multiply
187,367.91x = 258,571.81 × 102,484.97 - Step 4: Simplify right side
187,367.91x = 26,499,723,995.59 - Step 5: Solve for x
x = 26,499,723,995.59/187,367.91 - Step 6: Final answer
x = 141,431.50
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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.