Finding the Fourth Proportional to 216,232.24, 298,398.70 and 118,115.56
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Solution
The fourth proportional to 216,232.24, 298,398.70 and 118,115.56 is: 162,998.49
Step by Step Solution
- Step 1: Write the proportion equation
216,232.24 : 298,398.70 = 118,115.56 : x - Step 2: Convert to fraction form
216,232.24/298,398.70 = 118,115.56/x - Step 3: Cross multiply
216,232.24x = 298,398.70 × 118,115.56 - Step 4: Simplify right side
216,232.24x = 35,245,529,553.77 - Step 5: Solve for x
x = 35,245,529,553.77/216,232.24 - Step 6: Final answer
x = 162,998.49
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1.5x scale
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.