Finding the Fourth Proportional to 146,231.19, 219,302.10 and 61,989.75
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Solution
The fourth proportional to 146,231.19, 219,302.10 and 61,989.75 is: 92,965.68
Step by Step Solution
- Step 1: Write the proportion equation
146,231.19 : 219,302.10 = 61,989.75 : x - Step 2: Convert to fraction form
146,231.19/219,302.10 = 61,989.75/x - Step 3: Cross multiply
146,231.19x = 219,302.10 × 61,989.75 - Step 4: Simplify right side
146,231.19x = 13,594,482,353.48 - Step 5: Solve for x
x = 13,594,482,353.48/146,231.19 - Step 6: Final answer
x = 92,965.68
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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.