Finding the Fourth Proportional to 354,416.06, 489,105.97 and 193,279.90
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Solution
The fourth proportional to 354,416.06, 489,105.97 and 193,279.90 is: 266,732.70
Step by Step Solution
- Step 1: Write the proportion equation
354,416.06 : 489,105.97 = 193,279.90 : x - Step 2: Convert to fraction form
354,416.06/489,105.97 = 193,279.90/x - Step 3: Cross multiply
354,416.06x = 489,105.97 × 193,279.90 - Step 4: Simplify right side
354,416.06x = 94,534,352,971.00 - Step 5: Solve for x
x = 94,534,352,971.00/354,416.06 - Step 6: Final answer
x = 266,732.70
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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.