Finding the Fourth Proportional to 151,029.20, 226,531.94 and 87,809.02
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Solution
The fourth proportional to 151,029.20, 226,531.94 and 87,809.02 is: 131,706.63
Step by Step Solution
- Step 1: Write the proportion equation
151,029.20 : 226,531.94 = 87,809.02 : x - Step 2: Convert to fraction form
151,029.20/226,531.94 = 87,809.02/x - Step 3: Cross multiply
151,029.20x = 226,531.94 × 87,809.02 - Step 4: Simplify right side
151,029.20x = 19,891,547,650.10 - Step 5: Solve for x
x = 19,891,547,650.10/151,029.20 - Step 6: Final answer
x = 131,706.63
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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.