Finding the Fourth Proportional to 252,633.92, 378,621.79 and 102,699.07
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Solution
The fourth proportional to 252,633.92, 378,621.79 and 102,699.07 is: 153,914.83
Step by Step Solution
- Step 1: Write the proportion equation
252,633.92 : 378,621.79 = 102,699.07 : x - Step 2: Convert to fraction form
252,633.92/378,621.79 = 102,699.07/x - Step 3: Cross multiply
252,633.92x = 378,621.79 × 102,699.07 - Step 4: Simplify right side
252,633.92x = 38,884,105,714.74 - Step 5: Solve for x
x = 38,884,105,714.74/252,633.92 - Step 6: Final answer
x = 153,914.83
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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.