Finding the Fourth Proportional to 508,091.96, 762,137.54 and 153,105.99
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Solution
The fourth proportional to 508,091.96, 762,137.54 and 153,105.99 is: 229,658.87
Step by Step Solution
- Step 1: Write the proportion equation
508,091.96 : 762,137.54 = 153,105.99 : x - Step 2: Convert to fraction form
508,091.96/762,137.54 = 153,105.99/x - Step 3: Cross multiply
508,091.96x = 762,137.54 × 153,105.99 - Step 4: Simplify right side
508,091.96x = 116,687,821,812.34 - Step 5: Solve for x
x = 116,687,821,812.34/508,091.96 - Step 6: Final answer
x = 229,658.87
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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.