Finding the Fourth Proportional to 258,747.97, 388,099.72 and 157,519.75
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Solution
The fourth proportional to 258,747.97, 388,099.72 and 157,519.75 is: 236,266.09
Step by Step Solution
- Step 1: Write the proportion equation
258,747.97 : 388,099.72 = 157,519.75 : x - Step 2: Convert to fraction form
258,747.97/388,099.72 = 157,519.75/x - Step 3: Cross multiply
258,747.97x = 388,099.72 × 157,519.75 - Step 4: Simplify right side
258,747.97x = 61,133,370,869.47 - Step 5: Solve for x
x = 61,133,370,869.47/258,747.97 - Step 6: Final answer
x = 236,266.09
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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.