Finding the Fourth Proportional to 143,640.93, 215,502.50 and 48,891.99
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Solution
The fourth proportional to 143,640.93, 215,502.50 and 48,891.99 is: 73,351.98
Step by Step Solution
- Step 1: Write the proportion equation
143,640.93 : 215,502.50 = 48,891.99 : x - Step 2: Convert to fraction form
143,640.93/215,502.50 = 48,891.99/x - Step 3: Cross multiply
143,640.93x = 215,502.50 × 48,891.99 - Step 4: Simplify right side
143,640.93x = 10,536,346,074.98 - Step 5: Solve for x
x = 10,536,346,074.98/143,640.93 - Step 6: Final answer
x = 73,351.98
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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.