Finding the Fourth Proportional to 159,742.08, 220,444.30 and 88,121.96
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Solution
The fourth proportional to 159,742.08, 220,444.30 and 88,121.96 is: 121,608.43
Step by Step Solution
- Step 1: Write the proportion equation
159,742.08 : 220,444.30 = 88,121.96 : x - Step 2: Convert to fraction form
159,742.08/220,444.30 = 88,121.96/x - Step 3: Cross multiply
159,742.08x = 220,444.30 × 88,121.96 - Step 4: Simplify right side
159,742.08x = 19,425,983,786.83 - Step 5: Solve for x
x = 19,425,983,786.83/159,742.08 - Step 6: Final answer
x = 121,608.43
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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.