Finding the Fourth Proportional to 353,554.26, 487,890.30 and 192,409.62
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Solution
The fourth proportional to 353,554.26, 487,890.30 and 192,409.62 is: 265,517.34
Step by Step Solution
- Step 1: Write the proportion equation
353,554.26 : 487,890.30 = 192,409.62 : x - Step 2: Convert to fraction form
353,554.26/487,890.30 = 192,409.62/x - Step 3: Cross multiply
353,554.26x = 487,890.30 × 192,409.62 - Step 4: Simplify right side
353,554.26x = 93,874,787,224.69 - Step 5: Solve for x
x = 93,874,787,224.69/353,554.26 - Step 6: Final answer
x = 265,517.34
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1.5x scale
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.