Finding the Fourth Proportional to 258,067.80, 387,101.70 and 68,527.80
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Solution
The fourth proportional to 258,067.80, 387,101.70 and 68,527.80 is: 102,791.70
Step by Step Solution
- Step 1: Write the proportion equation
258,067.80 : 387,101.70 = 68,527.80 : x - Step 2: Convert to fraction form
258,067.80/387,101.70 = 68,527.80/x - Step 3: Cross multiply
258,067.80x = 387,101.70 × 68,527.80 - Step 4: Simplify right side
258,067.80x = 26,527,227,877.26 - Step 5: Solve for x
x = 26,527,227,877.26/258,067.80 - Step 6: Final answer
x = 102,791.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.