Finding the Fourth Proportional to 194,121.84, 291,182.88 and 53,880.48
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Solution
The fourth proportional to 194,121.84, 291,182.88 and 53,880.48 is: 80,820.75
Step by Step Solution
- Step 1: Write the proportion equation
194,121.84 : 291,182.88 = 53,880.48 : x - Step 2: Convert to fraction form
194,121.84/291,182.88 = 53,880.48/x - Step 3: Cross multiply
194,121.84x = 291,182.88 × 53,880.48 - Step 4: Simplify right side
194,121.84x = 15,689,073,342.18 - Step 5: Solve for x
x = 15,689,073,342.18/194,121.84 - Step 6: Final answer
x = 80,820.75
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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.