Finding the Fourth Proportional to 236,951.76, 327,002.22 and 129,529.08
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Solution
The fourth proportional to 236,951.76, 327,002.22 and 129,529.08 is: 178,754.94
Step by Step Solution
- Step 1: Write the proportion equation
236,951.76 : 327,002.22 = 129,529.08 : x - Step 2: Convert to fraction form
236,951.76/327,002.22 = 129,529.08/x - Step 3: Cross multiply
236,951.76x = 327,002.22 × 129,529.08 - Step 4: Simplify right side
236,951.76x = 42,356,296,714.56 - Step 5: Solve for x
x = 42,356,296,714.56/236,951.76 - Step 6: Final answer
x = 178,754.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.