Finding the Fourth Proportional to 252,227.52, 378,341.28 and 74,737.08
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Solution
The fourth proportional to 252,227.52, 378,341.28 and 74,737.08 is: 112,105.62
Step by Step Solution
- Step 1: Write the proportion equation
252,227.52 : 378,341.28 = 74,737.08 : x - Step 2: Convert to fraction form
252,227.52/378,341.28 = 74,737.08/x - Step 3: Cross multiply
252,227.52x = 378,341.28 × 74,737.08 - Step 4: Simplify right side
252,227.52x = 28,276,122,510.66 - Step 5: Solve for x
x = 28,276,122,510.66/252,227.52 - Step 6: Final answer
x = 112,105.62
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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.