Finding the Fourth Proportional to 189,376.36, 284,043.55 and 67,792.08
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Solution
The fourth proportional to 189,376.36, 284,043.55 and 67,792.08 is: 101,680.61
Step by Step Solution
- Step 1: Write the proportion equation
189,376.36 : 284,043.55 = 67,792.08 : x - Step 2: Convert to fraction form
189,376.36/284,043.55 = 67,792.08/x - Step 3: Cross multiply
189,376.36x = 284,043.55 × 67,792.08 - Step 4: Simplify right side
189,376.36x = 19,255,903,065.08 - Step 5: Solve for x
x = 19,255,903,065.08/189,376.36 - Step 6: Final answer
x = 101,680.61
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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.