Finding the Fourth Proportional to 166,395.98, 229,650.36 and 94,782.80
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Solution
The fourth proportional to 166,395.98, 229,650.36 and 94,782.80 is: 130,813.88
Step by Step Solution
- Step 1: Write the proportion equation
166,395.98 : 229,650.36 = 94,782.80 : x - Step 2: Convert to fraction form
166,395.98/229,650.36 = 94,782.80/x - Step 3: Cross multiply
166,395.98x = 229,650.36 × 94,782.80 - Step 4: Simplify right side
166,395.98x = 21,766,904,141.81 - Step 5: Solve for x
x = 21,766,904,141.81/166,395.98 - Step 6: Final answer
x = 130,813.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.