Finding the Fourth Proportional to 419,232.43, 628,848.84 and 134,922.94
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Solution
The fourth proportional to 419,232.43, 628,848.84 and 134,922.94 is: 202,384.47
Step by Step Solution
- Step 1: Write the proportion equation
419,232.43 : 628,848.84 = 134,922.94 : x - Step 2: Convert to fraction form
419,232.43/628,848.84 = 134,922.94/x - Step 3: Cross multiply
419,232.43x = 628,848.84 × 134,922.94 - Step 4: Simplify right side
419,232.43x = 84,846,134,631.40 - Step 5: Solve for x
x = 84,846,134,631.40/419,232.43 - Step 6: Final answer
x = 202,384.47
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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.