Finding the Fourth Proportional to 199,377.19, 299,190.28 and 132,863.99
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Solution
The fourth proportional to 199,377.19, 299,190.28 and 132,863.99 is: 199,378.94
Step by Step Solution
- Step 1: Write the proportion equation
199,377.19 : 299,190.28 = 132,863.99 : x - Step 2: Convert to fraction form
199,377.19/299,190.28 = 132,863.99/x - Step 3: Cross multiply
199,377.19x = 299,190.28 × 132,863.99 - Step 4: Simplify right side
199,377.19x = 39,751,612,541.91 - Step 5: Solve for x
x = 39,751,612,541.91/199,377.19 - Step 6: Final answer
x = 199,378.94
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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.