Finding the Fourth Proportional to 304,651.73, 420,414.30 and 168,682.70
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Solution
The fourth proportional to 304,651.73, 420,414.30 and 168,682.70 is: 232,779.31
Step by Step Solution
- Step 1: Write the proportion equation
304,651.73 : 420,414.30 = 168,682.70 : x - Step 2: Convert to fraction form
304,651.73/420,414.30 = 168,682.70/x - Step 3: Cross multiply
304,651.73x = 420,414.30 × 168,682.70 - Step 4: Simplify right side
304,651.73x = 70,916,620,293.65 - Step 5: Solve for x
x = 70,916,620,293.65/304,651.73 - Step 6: Final answer
x = 232,779.31
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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.