Finding the Fourth Proportional to 541,237.87, 810,970.26 and 288,249.76
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Solution
The fourth proportional to 541,237.87, 810,970.26 and 288,249.76 is: 431,902.49
Step by Step Solution
- Step 1: Write the proportion equation
541,237.87 : 810,970.26 = 288,249.76 : x - Step 2: Convert to fraction form
541,237.87/810,970.26 = 288,249.76/x - Step 3: Cross multiply
541,237.87x = 810,970.26 × 288,249.76 - Step 4: Simplify right side
541,237.87x = 233,761,982,812.14 - Step 5: Solve for x
x = 233,761,982,812.14/541,237.87 - Step 6: Final answer
x = 431,902.49
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1.5x scale
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.