Finding the Fourth Proportional to 265,241.06, 397,865.79 and 147,659.75
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Solution
The fourth proportional to 265,241.06, 397,865.79 and 147,659.75 is: 221,491.96
Step by Step Solution
- Step 1: Write the proportion equation
265,241.06 : 397,865.79 = 147,659.75 : x - Step 2: Convert to fraction form
265,241.06/397,865.79 = 147,659.75/x - Step 3: Cross multiply
265,241.06x = 397,865.79 × 147,659.75 - Step 4: Simplify right side
265,241.06x = 58,748,761,095.62 - Step 5: Solve for x
x = 58,748,761,095.62/265,241.06 - Step 6: Final answer
x = 221,491.96
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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.