Finding the Fourth Proportional to 114,422.37, 157,912.20 and 63,451.08
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Solution
The fourth proportional to 114,422.37, 157,912.20 and 63,451.08 is: 87,567.66
Step by Step Solution
- Step 1: Write the proportion equation
114,422.37 : 157,912.20 = 63,451.08 : x - Step 2: Convert to fraction form
114,422.37/157,912.20 = 63,451.08/x - Step 3: Cross multiply
114,422.37x = 157,912.20 × 63,451.08 - Step 4: Simplify right side
114,422.37x = 10,019,699,635.18 - Step 5: Solve for x
x = 10,019,699,635.18/114,422.37 - Step 6: Final answer
x = 87,567.66
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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.