Finding the Fourth Proportional to 220,434.36, 304,207.29 and 135,535.02
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Solution
The fourth proportional to 220,434.36, 304,207.29 and 135,535.02 is: 187,043.17
Step by Step Solution
- Step 1: Write the proportion equation
220,434.36 : 304,207.29 = 135,535.02 : x - Step 2: Convert to fraction form
220,434.36/304,207.29 = 135,535.02/x - Step 3: Cross multiply
220,434.36x = 304,207.29 × 135,535.02 - Step 4: Simplify right side
220,434.36x = 41,230,741,134.30 - Step 5: Solve for x
x = 41,230,741,134.30/220,434.36 - Step 6: Final answer
x = 187,043.17
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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.