Finding the Fourth Proportional to 354,554.43, 489,284.26 and 193,409.49
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Solution
The fourth proportional to 354,554.43, 489,284.26 and 193,409.49 is: 266,904.63
Step by Step Solution
- Step 1: Write the proportion equation
354,554.43 : 489,284.26 = 193,409.49 : x - Step 2: Convert to fraction form
354,554.43/489,284.26 = 193,409.49/x - Step 3: Cross multiply
354,554.43x = 489,284.26 × 193,409.49 - Step 4: Simplify right side
354,554.43x = 94,632,219,191.63 - Step 5: Solve for x
x = 94,632,219,191.63/354,554.43 - Step 6: Final answer
x = 266,904.63
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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.