Finding the Fourth Proportional to 212,440.24, 318,857.19 and 107,333.02
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Solution
The fourth proportional to 212,440.24, 318,857.19 and 107,333.02 is: 161,098.98
Step by Step Solution
- Step 1: Write the proportion equation
212,440.24 : 318,857.19 = 107,333.02 : x - Step 2: Convert to fraction form
212,440.24/318,857.19 = 107,333.02/x - Step 3: Cross multiply
212,440.24x = 318,857.19 × 107,333.02 - Step 4: Simplify right side
212,440.24x = 34,223,905,151.41 - Step 5: Solve for x
x = 34,223,905,151.41/212,440.24 - Step 6: Final answer
x = 161,098.98
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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.