Finding the Fourth Proportional to 346,324.80, 519,414.30 and 146,651.70
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Solution
The fourth proportional to 346,324.80, 519,414.30 and 146,651.70 is: 219,946.68
Step by Step Solution
- Step 1: Write the proportion equation
346,324.80 : 519,414.30 = 146,651.70 : x - Step 2: Convert to fraction form
346,324.80/519,414.30 = 146,651.70/x - Step 3: Cross multiply
346,324.80x = 519,414.30 × 146,651.70 - Step 4: Simplify right side
346,324.80x = 76,172,990,099.31 - Step 5: Solve for x
x = 76,172,990,099.31/346,324.80 - Step 6: Final answer
x = 219,946.68
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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.