Finding the Fourth Proportional to 117,811.14, 176,649.76 and 80,416.48
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Solution
The fourth proportional to 117,811.14, 176,649.76 and 80,416.48 is: 120,579.02
Step by Step Solution
- Step 1: Write the proportion equation
117,811.14 : 176,649.76 = 80,416.48 : x - Step 2: Convert to fraction form
117,811.14/176,649.76 = 80,416.48/x - Step 3: Cross multiply
117,811.14x = 176,649.76 × 80,416.48 - Step 4: Simplify right side
117,811.14x = 14,205,551,450.42 - Step 5: Solve for x
x = 14,205,551,450.42/117,811.14 - Step 6: Final answer
x = 120,579.02
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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.