Finding the Fourth Proportional to 213,553.09, 294,688.83 and 118,046.80
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Solution
The fourth proportional to 213,553.09, 294,688.83 and 118,046.80 is: 162,896.61
Step by Step Solution
- Step 1: Write the proportion equation
213,553.09 : 294,688.83 = 118,046.80 : x - Step 2: Convert to fraction form
213,553.09/294,688.83 = 118,046.80/x - Step 3: Cross multiply
213,553.09x = 294,688.83 × 118,046.80 - Step 4: Simplify right side
213,553.09x = 34,787,073,377.24 - Step 5: Solve for x
x = 34,787,073,377.24/213,553.09 - Step 6: Final answer
x = 162,896.61
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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.