Finding the Fourth Proportional to 413,704.62, 570,920.12 and 229,960.44
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Solution
The fourth proportional to 413,704.62, 570,920.12 and 229,960.44 is: 317,349.71
Step by Step Solution
- Step 1: Write the proportion equation
413,704.62 : 570,920.12 = 229,960.44 : x - Step 2: Convert to fraction form
413,704.62/570,920.12 = 229,960.44/x - Step 3: Cross multiply
413,704.62x = 570,920.12 × 229,960.44 - Step 4: Simplify right side
413,704.62x = 131,289,042,000.05 - Step 5: Solve for x
x = 131,289,042,000.05/413,704.62 - Step 6: Final answer
x = 317,349.71
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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.