Finding the Fourth Proportional to 146,310.60, 219,433.02 and 87,163.08
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Solution
The fourth proportional to 146,310.60, 219,433.02 and 87,163.08 is: 130,725.03
Step by Step Solution
- Step 1: Write the proportion equation
146,310.60 : 219,433.02 = 87,163.08 : x - Step 2: Convert to fraction form
146,310.60/219,433.02 = 87,163.08/x - Step 3: Cross multiply
146,310.60x = 219,433.02 × 87,163.08 - Step 4: Simplify right side
146,310.60x = 19,126,457,876.90 - Step 5: Solve for x
x = 19,126,457,876.90/146,310.60 - Step 6: Final answer
x = 130,725.03
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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.