Finding the Fourth Proportional to 132,838.84, 199,260.99 and 53,899.07
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Solution
The fourth proportional to 132,838.84, 199,260.99 and 53,899.07 is: 80,849.71
Step by Step Solution
- Step 1: Write the proportion equation
132,838.84 : 199,260.99 = 53,899.07 : x - Step 2: Convert to fraction form
132,838.84/199,260.99 = 53,899.07/x - Step 3: Cross multiply
132,838.84x = 199,260.99 × 53,899.07 - Step 4: Simplify right side
132,838.84x = 10,739,981,778.78 - Step 5: Solve for x
x = 10,739,981,778.78/132,838.84 - Step 6: Final answer
x = 80,849.71
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1.5x scale
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.