Finding the Fourth Proportional to 356,917.71, 534,324.70 and 312,630.96
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Solution
The fourth proportional to 356,917.71, 534,324.70 and 312,630.96 is: 468,025.09
Step by Step Solution
- Step 1: Write the proportion equation
356,917.71 : 534,324.70 = 312,630.96 : x - Step 2: Convert to fraction form
356,917.71/534,324.70 = 312,630.96/x - Step 3: Cross multiply
356,917.71x = 534,324.70 × 312,630.96 - Step 4: Simplify right side
356,917.71x = 167,046,443,912.71 - Step 5: Solve for x
x = 167,046,443,912.71/356,917.71 - Step 6: Final answer
x = 468,025.09
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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.