Finding the Fourth Proportional to 271,765.76, 407,462.56 and 138,387.84
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Solution
The fourth proportional to 271,765.76, 407,462.56 and 138,387.84 is: 207,487.00
Step by Step Solution
- Step 1: Write the proportion equation
271,765.76 : 407,462.56 = 138,387.84 : x - Step 2: Convert to fraction form
271,765.76/407,462.56 = 138,387.84/x - Step 3: Cross multiply
271,765.76x = 407,462.56 × 138,387.84 - Step 4: Simplify right side
271,765.76x = 56,387,863,559.27 - Step 5: Solve for x
x = 56,387,863,559.27/271,765.76 - Step 6: Final answer
x = 207,487.00
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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.