Finding the Fourth Proportional to 192,915.84, 289,359.36 and 64,833.06
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Solution
The fourth proportional to 192,915.84, 289,359.36 and 64,833.06 is: 97,244.75
Step by Step Solution
- Step 1: Write the proportion equation
192,915.84 : 289,359.36 = 64,833.06 : x - Step 2: Convert to fraction form
192,915.84/289,359.36 = 64,833.06/x - Step 3: Cross multiply
192,915.84x = 289,359.36 × 64,833.06 - Step 4: Simplify right side
192,915.84x = 18,760,052,748.44 - Step 5: Solve for x
x = 18,760,052,748.44/192,915.84 - Step 6: Final answer
x = 97,244.75
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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.