Finding the Fourth Proportional to 194,811.41, 292,233.76 and 68,440.68
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Solution
The fourth proportional to 194,811.41, 292,233.76 and 68,440.68 is: 102,666.87
Step by Step Solution
- Step 1: Write the proportion equation
194,811.41 : 292,233.76 = 68,440.68 : x - Step 2: Convert to fraction form
194,811.41/292,233.76 = 68,440.68/x - Step 3: Cross multiply
194,811.41x = 292,233.76 × 68,440.68 - Step 4: Simplify right side
194,811.41x = 20,000,677,082.26 - Step 5: Solve for x
x = 20,000,677,082.26/194,811.41 - Step 6: Final answer
x = 102,666.87
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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.