Finding the Fourth Proportional to 452,582.92, 678,874.36 and 115,624.31
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Solution
The fourth proportional to 452,582.92, 678,874.36 and 115,624.31 is: 173,436.45
Step by Step Solution
- Step 1: Write the proportion equation
452,582.92 : 678,874.36 = 115,624.31 : x - Step 2: Convert to fraction form
452,582.92/678,874.36 = 115,624.31/x - Step 3: Cross multiply
452,582.92x = 678,874.36 × 115,624.31 - Step 4: Simplify right side
452,582.92x = 78,494,375,768.26 - Step 5: Solve for x
x = 78,494,375,768.26/452,582.92 - Step 6: Final answer
x = 173,436.45
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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.