Finding the Fourth Proportional to 347,234.70, 520,074.45 and 207,266.70
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Solution
The fourth proportional to 347,234.70, 520,074.45 and 207,266.70 is: 310,435.90
Step by Step Solution
- Step 1: Write the proportion equation
347,234.70 : 520,074.45 = 207,266.70 : x - Step 2: Convert to fraction form
347,234.70/520,074.45 = 207,266.70/x - Step 3: Cross multiply
347,234.70x = 520,074.45 × 207,266.70 - Step 4: Simplify right side
347,234.70x = 107,794,115,005.82 - Step 5: Solve for x
x = 107,794,115,005.82/347,234.70 - Step 6: Final answer
x = 310,435.90
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1.5x scale
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.