Finding the Fourth Proportional to 354,543.37, 489,272.97 and 193,399.13
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Solution
The fourth proportional to 354,543.37, 489,272.97 and 193,399.13 is: 266,892.50
Step by Step Solution
- Step 1: Write the proportion equation
354,543.37 : 489,272.97 = 193,399.13 : x - Step 2: Convert to fraction form
354,543.37/489,272.97 = 193,399.13/x - Step 3: Cross multiply
354,543.37x = 489,272.97 × 193,399.13 - Step 4: Simplify right side
354,543.37x = 94,624,965,763.52 - Step 5: Solve for x
x = 94,624,965,763.52/354,543.37 - Step 6: Final answer
x = 266,892.50
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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.