Finding the Fourth Proportional to 138,348.99, 207,530.97 and 43,586.64
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Solution
The fourth proportional to 138,348.99, 207,530.97 and 43,586.64 is: 65,382.32
Step by Step Solution
- Step 1: Write the proportion equation
138,348.99 : 207,530.97 = 43,586.64 : x - Step 2: Convert to fraction form
138,348.99/207,530.97 = 43,586.64/x - Step 3: Cross multiply
138,348.99x = 207,530.97 × 43,586.64 - Step 4: Simplify right side
138,348.99x = 9,045,577,678.24 - Step 5: Solve for x
x = 9,045,577,678.24/138,348.99 - Step 6: Final answer
x = 65,382.32
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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.