Finding the Fourth Proportional to 354,735.78, 489,546.18 and 201,796.14
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Solution
The fourth proportional to 354,735.78, 489,546.18 and 201,796.14 is: 278,484.82
Step by Step Solution
- Step 1: Write the proportion equation
354,735.78 : 489,546.18 = 201,796.14 : x - Step 2: Convert to fraction form
354,735.78/489,546.18 = 201,796.14/x - Step 3: Cross multiply
354,735.78x = 489,546.18 × 201,796.14 - Step 4: Simplify right side
354,735.78x = 98,788,529,475.75 - Step 5: Solve for x
x = 98,788,529,475.75/354,735.78 - Step 6: Final answer
x = 278,484.82
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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.