Finding the Fourth Proportional to 274,276.46, 378,349.17 and 159,542.19
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Solution
The fourth proportional to 274,276.46, 378,349.17 and 159,542.19 is: 220,079.61
Step by Step Solution
- Step 1: Write the proportion equation
274,276.46 : 378,349.17 = 159,542.19 : x - Step 2: Convert to fraction form
274,276.46/378,349.17 = 159,542.19/x - Step 3: Cross multiply
274,276.46x = 378,349.17 × 159,542.19 - Step 4: Simplify right side
274,276.46x = 60,362,655,166.48 - Step 5: Solve for x
x = 60,362,655,166.48/274,276.46 - Step 6: Final answer
x = 220,079.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.