Finding the Fourth Proportional to 220,634.70, 304,475.67 and 120,032.70
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Solution
The fourth proportional to 220,634.70, 304,475.67 and 120,032.70 is: 165,645.01
Step by Step Solution
- Step 1: Write the proportion equation
220,634.70 : 304,475.67 = 120,032.70 : x - Step 2: Convert to fraction form
220,634.70/304,475.67 = 120,032.70/x - Step 3: Cross multiply
220,634.70x = 304,475.67 × 120,032.70 - Step 4: Simplify right side
220,634.70x = 36,547,036,754.41 - Step 5: Solve for x
x = 36,547,036,754.41/220,634.70 - Step 6: Final answer
x = 165,645.01
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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.