Finding the Fourth Proportional to 275,278.79, 379,806.63 and 160,562.44
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Solution
The fourth proportional to 275,278.79, 379,806.63 and 160,562.44 is: 221,530.61
Step by Step Solution
- Step 1: Write the proportion equation
275,278.79 : 379,806.63 = 160,562.44 : x - Step 2: Convert to fraction form
275,278.79/379,806.63 = 160,562.44/x - Step 3: Cross multiply
275,278.79x = 379,806.63 × 160,562.44 - Step 4: Simplify right side
275,278.79x = 60,982,679,240.98 - Step 5: Solve for x
x = 60,982,679,240.98/275,278.79 - Step 6: Final answer
x = 221,530.61
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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.