Finding the Fourth Proportional to 265,043.25, 397,609.53 and 122,830.84
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Solution
The fourth proportional to 265,043.25, 397,609.53 and 122,830.84 is: 184,266.96
Step by Step Solution
- Step 1: Write the proportion equation
265,043.25 : 397,609.53 = 122,830.84 : x - Step 2: Convert to fraction form
265,043.25/397,609.53 = 122,830.84/x - Step 3: Cross multiply
265,043.25x = 397,609.53 × 122,830.84 - Step 4: Simplify right side
265,043.25x = 48,838,713,416.54 - Step 5: Solve for x
x = 48,838,713,416.54/265,043.25 - Step 6: Final answer
x = 184,266.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.