Finding the Fourth Proportional to 146,197.21, 219,226.68 and 67,288.09
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Solution
The fourth proportional to 146,197.21, 219,226.68 and 67,288.09 is: 100,900.32
Step by Step Solution
- Step 1: Write the proportion equation
146,197.21 : 219,226.68 = 67,288.09 : x - Step 2: Convert to fraction form
146,197.21/219,226.68 = 67,288.09/x - Step 3: Cross multiply
146,197.21x = 219,226.68 × 67,288.09 - Step 4: Simplify right side
146,197.21x = 14,751,344,574.24 - Step 5: Solve for x
x = 14,751,344,574.24/146,197.21 - Step 6: Final answer
x = 100,900.32
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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.