Finding the Fourth Proportional to 354,447.44, 489,122.70 and 193,299.56
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Solution
The fourth proportional to 354,447.44, 489,122.70 and 193,299.56 is: 266,745.34
Step by Step Solution
- Step 1: Write the proportion equation
354,447.44 : 489,122.70 = 193,299.56 : x - Step 2: Convert to fraction form
354,447.44/489,122.70 = 193,299.56/x - Step 3: Cross multiply
354,447.44x = 489,122.70 × 193,299.56 - Step 4: Simplify right side
354,447.44x = 94,547,200,250.40 - Step 5: Solve for x
x = 94,547,200,250.40/354,447.44 - Step 6: Final answer
x = 266,745.34
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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.