Finding the Fourth Proportional to 354,543.49, 489,273.14 and 193,399.26
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Solution
The fourth proportional to 354,543.49, 489,273.14 and 193,399.26 is: 266,892.68
Step by Step Solution
- Step 1: Write the proportion equation
354,543.49 : 489,273.14 = 193,399.26 : x - Step 2: Convert to fraction form
354,543.49/489,273.14 = 193,399.26/x - Step 3: Cross multiply
354,543.49x = 489,273.14 × 193,399.26 - Step 4: Simplify right side
354,543.49x = 94,625,063,213.88 - Step 5: Solve for x
x = 94,625,063,213.88/354,543.49 - Step 6: Final answer
x = 266,892.68
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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.