Finding the Fourth Proportional to 354,885.70, 489,749.68 and 193,747.54
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Solution
The fourth proportional to 354,885.70, 489,749.68 and 193,747.54 is: 267,375.65
Step by Step Solution
- Step 1: Write the proportion equation
354,885.70 : 489,749.68 = 193,747.54 : x - Step 2: Convert to fraction form
354,885.70/489,749.68 = 193,747.54/x - Step 3: Cross multiply
354,885.70x = 489,749.68 × 193,747.54 - Step 4: Simplify right side
354,885.70x = 94,887,795,715.79 - Step 5: Solve for x
x = 94,887,795,715.79/354,885.70 - Step 6: Final answer
x = 267,375.65
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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.