Finding the Fourth Proportional to 225,900.59, 311,752.67 and 135,239.09
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Solution
The fourth proportional to 225,900.59, 311,752.67 and 135,239.09 is: 186,635.84
Step by Step Solution
- Step 1: Write the proportion equation
225,900.59 : 311,752.67 = 135,239.09 : x - Step 2: Convert to fraction form
225,900.59/311,752.67 = 135,239.09/x - Step 3: Cross multiply
225,900.59x = 311,752.67 × 135,239.09 - Step 4: Simplify right side
225,900.59x = 42,161,145,160.91 - Step 5: Solve for x
x = 42,161,145,160.91/225,900.59 - Step 6: Final answer
x = 186,635.84
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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.