Finding the Fourth Proportional to 236,714.62, 326,661.13 and 129,285.08
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Solution
The fourth proportional to 236,714.62, 326,661.13 and 129,285.08 is: 178,410.65
Step by Step Solution
- Step 1: Write the proportion equation
236,714.62 : 326,661.13 = 129,285.08 : x - Step 2: Convert to fraction form
236,714.62/326,661.13 = 129,285.08/x - Step 3: Cross multiply
236,714.62x = 326,661.13 × 129,285.08 - Step 4: Simplify right side
236,714.62x = 42,232,410,324.94 - Step 5: Solve for x
x = 42,232,410,324.94/236,714.62 - Step 6: Final answer
x = 178,410.65
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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.