Finding the Fourth Proportional to 209,157.24, 313,733.12 and 51,387.06
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Solution
The fourth proportional to 209,157.24, 313,733.12 and 51,387.06 is: 77,079.92
Step by Step Solution
- Step 1: Write the proportion equation
209,157.24 : 313,733.12 = 51,387.06 : x - Step 2: Convert to fraction form
209,157.24/313,733.12 = 51,387.06/x - Step 3: Cross multiply
209,157.24x = 313,733.12 × 51,387.06 - Step 4: Simplify right side
209,157.24x = 16,121,822,249.82 - Step 5: Solve for x
x = 16,121,822,249.82/209,157.24 - Step 6: Final answer
x = 77,079.92
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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.