Finding the Fourth Proportional to 432,195.70, 647,768.67 and 305,872.87
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Solution
The fourth proportional to 432,195.70, 647,768.67 and 305,872.87 is: 458,437.84
Step by Step Solution
- Step 1: Write the proportion equation
432,195.70 : 647,768.67 = 305,872.87 : x - Step 2: Convert to fraction form
432,195.70/647,768.67 = 305,872.87/x - Step 3: Cross multiply
432,195.70x = 647,768.67 × 305,872.87 - Step 4: Simplify right side
432,195.70x = 198,134,862,188.98 - Step 5: Solve for x
x = 198,134,862,188.98/432,195.70 - Step 6: Final answer
x = 458,437.84
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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.