Finding the Fourth Proportional to 194,977.36, 292,586.36 and 76,627.92
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Solution
The fourth proportional to 194,977.36, 292,586.36 and 76,627.92 is: 114,989.17
Step by Step Solution
- Step 1: Write the proportion equation
194,977.36 : 292,586.36 = 76,627.92 : x - Step 2: Convert to fraction form
194,977.36/292,586.36 = 76,627.92/x - Step 3: Cross multiply
194,977.36x = 292,586.36 × 76,627.92 - Step 4: Simplify right side
194,977.36x = 22,420,284,187.17 - Step 5: Solve for x
x = 22,420,284,187.17/194,977.36 - Step 6: Final answer
x = 114,989.17
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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.