Finding the Fourth Proportional to 354,909.09, 489,781.97 and 193,770.93
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Solution
The fourth proportional to 354,909.09, 489,781.97 and 193,770.93 is: 267,407.94
Step by Step Solution
- Step 1: Write the proportion equation
354,909.09 : 489,781.97 = 193,770.93 : x - Step 2: Convert to fraction form
354,909.09/489,781.97 = 193,770.93/x - Step 3: Cross multiply
354,909.09x = 489,781.97 × 193,770.93 - Step 4: Simplify right side
354,909.09x = 94,905,507,824.13 - Step 5: Solve for x
x = 94,905,507,824.13/354,909.09 - Step 6: Final answer
x = 267,407.94
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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.