Finding the Fourth Proportional to 354,544.18, 489,274.09 and 193,399.94
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Solution
The fourth proportional to 354,544.18, 489,274.09 and 193,399.94 is: 266,893.62
Step by Step Solution
- Step 1: Write the proportion equation
354,544.18 : 489,274.09 = 193,399.94 : x - Step 2: Convert to fraction form
354,544.18/489,274.09 = 193,399.94/x - Step 3: Cross multiply
354,544.18x = 489,274.09 × 193,399.94 - Step 4: Simplify right side
354,544.18x = 94,625,580,389.24 - Step 5: Solve for x
x = 94,625,580,389.24/354,544.18 - Step 6: Final answer
x = 266,893.62
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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.