Finding the Fourth Proportional to 261,967.92, 392,361.09 and 183,432.75
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Solution
The fourth proportional to 261,967.92, 392,361.09 and 183,432.75 is: 274,735.45
Step by Step Solution
- Step 1: Write the proportion equation
261,967.92 : 392,361.09 = 183,432.75 : x - Step 2: Convert to fraction form
261,967.92/392,361.09 = 183,432.75/x - Step 3: Cross multiply
261,967.92x = 392,361.09 × 183,432.75 - Step 4: Simplify right side
261,967.92x = 71,971,873,731.70 - Step 5: Solve for x
x = 71,971,873,731.70/261,967.92 - Step 6: Final answer
x = 274,735.45
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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.