Finding the Fourth Proportional to 664,471.10, 996,852.45 and 215,212.70
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Solution
The fourth proportional to 664,471.10, 996,852.45 and 215,212.70 is: 322,866.27
Step by Step Solution
- Step 1: Write the proportion equation
664,471.10 : 996,852.45 = 215,212.70 : x - Step 2: Convert to fraction form
664,471.10/996,852.45 = 215,212.70/x - Step 3: Cross multiply
664,471.10x = 996,852.45 × 215,212.70 - Step 4: Simplify right side
664,471.10x = 214,535,307,266.12 - Step 5: Solve for x
x = 214,535,307,266.12/664,471.10 - Step 6: Final answer
x = 322,866.27
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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.