Finding the Fourth Proportional to 343,576.60, 515,753.70 and 203,414.20
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Solution
The fourth proportional to 343,576.60, 515,753.70 and 203,414.20 is: 305,351.49
Step by Step Solution
- Step 1: Write the proportion equation
343,576.60 : 515,753.70 = 203,414.20 : x - Step 2: Convert to fraction form
343,576.60/515,753.70 = 203,414.20/x - Step 3: Cross multiply
343,576.60x = 515,753.70 × 203,414.20 - Step 4: Simplify right side
343,576.60x = 104,911,626,282.54 - Step 5: Solve for x
x = 104,911,626,282.54/343,576.60 - Step 6: Final answer
x = 305,351.49
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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.