Finding the Fourth Proportional to 129,625.60, 194,524.80 and 59,468.80
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Solution
The fourth proportional to 129,625.60, 194,524.80 and 59,468.80 is: 89,242.84
Step by Step Solution
- Step 1: Write the proportion equation
129,625.60 : 194,524.80 = 59,468.80 : x - Step 2: Convert to fraction form
129,625.60/194,524.80 = 59,468.80/x - Step 3: Cross multiply
129,625.60x = 194,524.80 × 59,468.80 - Step 4: Simplify right side
129,625.60x = 11,568,156,426.24 - Step 5: Solve for x
x = 11,568,156,426.24/129,625.60 - Step 6: Final answer
x = 89,242.84
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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.