Finding the Fourth Proportional to 187,431.94, 258,662.52 and 102,548.99
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Solution
The fourth proportional to 187,431.94, 258,662.52 and 102,548.99 is: 141,521.13
Step by Step Solution
- Step 1: Write the proportion equation
187,431.94 : 258,662.52 = 102,548.99 : x - Step 2: Convert to fraction form
187,431.94/258,662.52 = 102,548.99/x - Step 3: Cross multiply
187,431.94x = 258,662.52 × 102,548.99 - Step 4: Simplify right side
187,431.94x = 26,525,580,176.85 - Step 5: Solve for x
x = 26,525,580,176.85/187,431.94 - Step 6: Final answer
x = 141,521.13
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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.