Finding the Fourth Proportional to 145,711.98, 218,548.84 and 45,872.70
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Solution
The fourth proportional to 145,711.98, 218,548.84 and 45,872.70 is: 68,803.02
Step by Step Solution
- Step 1: Write the proportion equation
145,711.98 : 218,548.84 = 45,872.70 : x - Step 2: Convert to fraction form
145,711.98/218,548.84 = 45,872.70/x - Step 3: Cross multiply
145,711.98x = 218,548.84 × 45,872.70 - Step 4: Simplify right side
145,711.98x = 10,025,425,257.99 - Step 5: Solve for x
x = 10,025,425,257.99/145,711.98 - Step 6: Final answer
x = 68,803.02
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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.