Finding the Fourth Proportional to 275,932.26, 380,795.49 and 155,096.82
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Solution
The fourth proportional to 275,932.26, 380,795.49 and 155,096.82 is: 214,038.65
Step by Step Solution
- Step 1: Write the proportion equation
275,932.26 : 380,795.49 = 155,096.82 : x - Step 2: Convert to fraction form
275,932.26/380,795.49 = 155,096.82/x - Step 3: Cross multiply
275,932.26x = 380,795.49 × 155,096.82 - Step 4: Simplify right side
275,932.26x = 59,060,169,569.34 - Step 5: Solve for x
x = 59,060,169,569.34/275,932.26 - Step 6: Final answer
x = 214,038.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.