Finding the Fourth Proportional to 514,414.80, 771,743.76 and 214,728.84
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Solution
The fourth proportional to 514,414.80, 771,743.76 and 214,728.84 is: 322,144.00
Step by Step Solution
- Step 1: Write the proportion equation
514,414.80 : 771,743.76 = 214,728.84 : x - Step 2: Convert to fraction form
514,414.80/771,743.76 = 214,728.84/x - Step 3: Cross multiply
514,414.80x = 771,743.76 × 214,728.84 - Step 4: Simplify right side
514,414.80x = 165,715,642,362.04 - Step 5: Solve for x
x = 165,715,642,362.04/514,414.80 - Step 6: Final answer
x = 322,144.00
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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.