Finding the Fourth Proportional to 347,223.18, 520,883.19 and 107,356.68
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Solution
The fourth proportional to 347,223.18, 520,883.19 and 107,356.68 is: 161,049.99
Step by Step Solution
- Step 1: Write the proportion equation
347,223.18 : 520,883.19 = 107,356.68 : x - Step 2: Convert to fraction form
347,223.18/520,883.19 = 107,356.68/x - Step 3: Cross multiply
347,223.18x = 520,883.19 × 107,356.68 - Step 4: Simplify right side
347,223.18x = 55,920,289,946.21 - Step 5: Solve for x
x = 55,920,289,946.21/347,223.18 - Step 6: Final answer
x = 161,049.99
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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.