Finding the Fourth Proportional to 541,236.87, 810,968.76 and 288,248.76
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Solution
The fourth proportional to 541,236.87, 810,968.76 and 288,248.76 is: 431,900.99
Step by Step Solution
- Step 1: Write the proportion equation
541,236.87 : 810,968.76 = 288,248.76 : x - Step 2: Convert to fraction form
541,236.87/810,968.76 = 288,248.76/x - Step 3: Cross multiply
541,236.87x = 810,968.76 × 288,248.76 - Step 4: Simplify right side
541,236.87x = 233,760,739,468.74 - Step 5: Solve for x
x = 233,760,739,468.74/541,236.87 - Step 6: Final answer
x = 431,900.99
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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.