Finding the Fourth Proportional to 188,706.24, 283,106.88 and 70,381.44
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Solution
The fourth proportional to 188,706.24, 283,106.88 and 70,381.44 is: 105,589.88
Step by Step Solution
- Step 1: Write the proportion equation
188,706.24 : 283,106.88 = 70,381.44 : x - Step 2: Convert to fraction form
188,706.24/283,106.88 = 70,381.44/x - Step 3: Cross multiply
188,706.24x = 283,106.88 × 70,381.44 - Step 4: Simplify right side
188,706.24x = 19,925,469,888.31 - Step 5: Solve for x
x = 19,925,469,888.31/188,706.24 - Step 6: Final answer
x = 105,589.88
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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.