Finding the Fourth Proportional to 146,239.11, 219,227.43 and 52,722.99
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Solution
The fourth proportional to 146,239.11, 219,227.43 and 52,722.99 is: 79,037.17
Step by Step Solution
- Step 1: Write the proportion equation
146,239.11 : 219,227.43 = 52,722.99 : x - Step 2: Convert to fraction form
146,239.11/219,227.43 = 52,722.99/x - Step 3: Cross multiply
146,239.11x = 219,227.43 × 52,722.99 - Step 4: Simplify right side
146,239.11x = 11,558,325,599.62 - Step 5: Solve for x
x = 11,558,325,599.62/146,239.11 - Step 6: Final answer
x = 79,037.17
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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.