Finding the Fourth Proportional to 284,795.19, 392,928.57 and 189,318.06
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Solution
The fourth proportional to 284,795.19, 392,928.57 and 189,318.06 is: 261,199.90
Step by Step Solution
- Step 1: Write the proportion equation
284,795.19 : 392,928.57 = 189,318.06 : x - Step 2: Convert to fraction form
284,795.19/392,928.57 = 189,318.06/x - Step 3: Cross multiply
284,795.19x = 392,928.57 × 189,318.06 - Step 4: Simplify right side
284,795.19x = 74,388,474,590.97 - Step 5: Solve for x
x = 74,388,474,590.97/284,795.19 - Step 6: Final answer
x = 261,199.90
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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.