Finding the Fourth Proportional to 159,027.44, 219,460.12 and 87,414.08
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Solution
The fourth proportional to 159,027.44, 219,460.12 and 87,414.08 is: 120,632.67
Step by Step Solution
- Step 1: Write the proportion equation
159,027.44 : 219,460.12 = 87,414.08 : x - Step 2: Convert to fraction form
159,027.44/219,460.12 = 87,414.08/x - Step 3: Cross multiply
159,027.44x = 219,460.12 × 87,414.08 - Step 4: Simplify right side
159,027.44x = 19,183,904,486.49 - Step 5: Solve for x
x = 19,183,904,486.49/159,027.44 - Step 6: Final answer
x = 120,632.67
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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.