Finding the Fourth Proportional to 413,872.68, 620,809.02 and 147,622.44
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Solution
The fourth proportional to 413,872.68, 620,809.02 and 147,622.44 is: 221,433.66
Step by Step Solution
- Step 1: Write the proportion equation
413,872.68 : 620,809.02 = 147,622.44 : x - Step 2: Convert to fraction form
413,872.68/620,809.02 = 147,622.44/x - Step 3: Cross multiply
413,872.68x = 620,809.02 × 147,622.44 - Step 4: Simplify right side
413,872.68x = 91,645,342,306.41 - Step 5: Solve for x
x = 91,645,342,306.41/413,872.68 - Step 6: Final answer
x = 221,433.66
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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.