Finding the Fourth Proportional to 144,614.57, 199,948.91 and 126,658.08
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Solution
The fourth proportional to 144,614.57, 199,948.91 and 126,658.08 is: 175,121.67
Step by Step Solution
- Step 1: Write the proportion equation
144,614.57 : 199,948.91 = 126,658.08 : x - Step 2: Convert to fraction form
144,614.57/199,948.91 = 126,658.08/x - Step 3: Cross multiply
144,614.57x = 199,948.91 × 126,658.08 - Step 4: Simplify right side
144,614.57x = 25,325,144,405.40 - Step 5: Solve for x
x = 25,325,144,405.40/144,614.57 - Step 6: Final answer
x = 175,121.67
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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.