Finding the Fourth Proportional to 354,898.53, 489,741.39 and 193,722.44
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Solution
The fourth proportional to 354,898.53, 489,741.39 and 193,722.44 is: 267,326.82
Step by Step Solution
- Step 1: Write the proportion equation
354,898.53 : 489,741.39 = 193,722.44 : x - Step 2: Convert to fraction form
354,898.53/489,741.39 = 193,722.44/x - Step 3: Cross multiply
354,898.53x = 489,741.39 × 193,722.44 - Step 4: Simplify right side
354,898.53x = 94,873,894,591.08 - Step 5: Solve for x
x = 94,873,894,591.08/354,898.53 - Step 6: Final answer
x = 267,326.82
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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.