Finding the Fourth Proportional to 347,247.70, 520,093.94 and 207,279.70
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Solution
The fourth proportional to 347,247.70, 520,093.94 and 207,279.70 is: 310,455.38
Step by Step Solution
- Step 1: Write the proportion equation
347,247.70 : 520,093.94 = 207,279.70 : x - Step 2: Convert to fraction form
347,247.70/520,093.94 = 207,279.70/x - Step 3: Cross multiply
347,247.70x = 520,093.94 × 207,279.70 - Step 4: Simplify right side
347,247.70x = 107,804,915,855.02 - Step 5: Solve for x
x = 107,804,915,855.02/347,247.70 - Step 6: Final answer
x = 310,455.38
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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.