Finding the Fourth Proportional to 354,873.42, 489,733.70 and 193,729.68
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Solution
The fourth proportional to 354,873.42, 489,733.70 and 193,729.68 is: 267,351.53
Step by Step Solution
- Step 1: Write the proportion equation
354,873.42 : 489,733.70 = 193,729.68 : x - Step 2: Convert to fraction form
354,873.42/489,733.70 = 193,729.68/x - Step 3: Cross multiply
354,873.42x = 489,733.70 × 193,729.68 - Step 4: Simplify right side
354,873.42x = 94,875,952,986.22 - Step 5: Solve for x
x = 94,875,952,986.22/354,873.42 - Step 6: Final answer
x = 267,351.53
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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.