Finding the Fourth Proportional to 114,421.37, 157,910.82 and 63,450.08
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Solution
The fourth proportional to 114,421.37, 157,910.82 and 63,450.08 is: 87,566.28
Step by Step Solution
- Step 1: Write the proportion equation
114,421.37 : 157,910.82 = 63,450.08 : x - Step 2: Convert to fraction form
114,421.37/157,910.82 = 63,450.08/x - Step 3: Cross multiply
114,421.37x = 157,910.82 × 63,450.08 - Step 4: Simplify right side
114,421.37x = 10,019,454,161.87 - Step 5: Solve for x
x = 10,019,454,161.87/114,421.37 - Step 6: Final answer
x = 87,566.28
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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.