Finding the Fourth Proportional to 370,277.60, 555,286.80 and 192,725.60
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Solution
The fourth proportional to 370,277.60, 555,286.80 and 192,725.60 is: 289,020.94
Step by Step Solution
- Step 1: Write the proportion equation
370,277.60 : 555,286.80 = 192,725.60 : x - Step 2: Convert to fraction form
370,277.60/555,286.80 = 192,725.60/x - Step 3: Cross multiply
370,277.60x = 555,286.80 × 192,725.60 - Step 4: Simplify right side
370,277.60x = 107,017,981,702.08 - Step 5: Solve for x
x = 107,017,981,702.08/370,277.60 - Step 6: Final answer
x = 289,020.94
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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.