Finding the Fourth Proportional to 412,946.09, 619,644.82 and 160,236.49
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Solution
The fourth proportional to 412,946.09, 619,644.82 and 160,236.49 is: 240,442.31
Step by Step Solution
- Step 1: Write the proportion equation
412,946.09 : 619,644.82 = 160,236.49 : x - Step 2: Convert to fraction form
412,946.09/619,644.82 = 160,236.49/x - Step 3: Cross multiply
412,946.09x = 619,644.82 × 160,236.49 - Step 4: Simplify right side
412,946.09x = 99,289,711,003.48 - Step 5: Solve for x
x = 99,289,711,003.48/412,946.09 - Step 6: Final answer
x = 240,442.31
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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.