Finding the Fourth Proportional to 323,717.60, 485,187.60 and 165,864.80
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Solution
The fourth proportional to 323,717.60, 485,187.60 and 165,864.80 is: 248,597.99
Step by Step Solution
- Step 1: Write the proportion equation
323,717.60 : 485,187.60 = 165,864.80 : x - Step 2: Convert to fraction form
323,717.60/485,187.60 = 165,864.80/x - Step 3: Cross multiply
323,717.60x = 485,187.60 × 165,864.80 - Step 4: Simplify right side
323,717.60x = 80,475,544,236.48 - Step 5: Solve for x
x = 80,475,544,236.48/323,717.60 - Step 6: Final answer
x = 248,597.99
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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.