Finding the Fourth Proportional to 414,075.53, 621,259.10 and 203,861.09
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Solution
The fourth proportional to 414,075.53, 621,259.10 and 203,861.09 is: 305,863.42
Step by Step Solution
- Step 1: Write the proportion equation
414,075.53 : 621,259.10 = 203,861.09 : x - Step 2: Convert to fraction form
414,075.53/621,259.10 = 203,861.09/x - Step 3: Cross multiply
414,075.53x = 621,259.10 × 203,861.09 - Step 4: Simplify right side
414,075.53x = 126,650,557,298.42 - Step 5: Solve for x
x = 126,650,557,298.42/414,075.53 - Step 6: Final answer
x = 305,863.42
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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.