Finding the Fourth Proportional to 378,091.99, 567,225.47 and 220,453.03
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Solution
The fourth proportional to 378,091.99, 567,225.47 and 220,453.03 is: 330,730.55
Step by Step Solution
- Step 1: Write the proportion equation
378,091.99 : 567,225.47 = 220,453.03 : x - Step 2: Convert to fraction form
378,091.99/567,225.47 = 220,453.03/x - Step 3: Cross multiply
378,091.99x = 567,225.47 × 220,453.03 - Step 4: Simplify right side
378,091.99x = 125,046,573,554.67 - Step 5: Solve for x
x = 125,046,573,554.67/378,091.99 - Step 6: Final answer
x = 330,730.55
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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.