Finding the Fourth Proportional to 110,441.70, 152,405.36 and 67,493.02
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Solution
The fourth proportional to 110,441.70, 152,405.36 and 67,493.02 is: 93,137.81
Step by Step Solution
- Step 1: Write the proportion equation
110,441.70 : 152,405.36 = 67,493.02 : x - Step 2: Convert to fraction form
110,441.70/152,405.36 = 67,493.02/x - Step 3: Cross multiply
110,441.70x = 152,405.36 × 67,493.02 - Step 4: Simplify right side
110,441.70x = 10,286,297,545.21 - Step 5: Solve for x
x = 10,286,297,545.21/110,441.70 - Step 6: Final answer
x = 93,137.81
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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.