Finding the Fourth Proportional to 445,108.20, 614,236.44 and 261,343.74
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Solution
The fourth proportional to 445,108.20, 614,236.44 and 261,343.74 is: 360,646.80
Step by Step Solution
- Step 1: Write the proportion equation
445,108.20 : 614,236.44 = 261,343.74 : x - Step 2: Convert to fraction form
445,108.20/614,236.44 = 261,343.74/x - Step 3: Cross multiply
445,108.20x = 614,236.44 × 261,343.74 - Step 4: Simplify right side
445,108.20x = 160,526,848,473.89 - Step 5: Solve for x
x = 160,526,848,473.89/445,108.20 - Step 6: Final answer
x = 360,646.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.