Finding the Fourth Proportional to 193,624.96, 290,455.36 and 75,305.28
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Solution
The fourth proportional to 193,624.96, 290,455.36 and 75,305.28 is: 112,964.89
Step by Step Solution
- Step 1: Write the proportion equation
193,624.96 : 290,455.36 = 75,305.28 : x - Step 2: Convert to fraction form
193,624.96/290,455.36 = 75,305.28/x - Step 3: Cross multiply
193,624.96x = 290,455.36 × 75,305.28 - Step 4: Simplify right side
193,624.96x = 21,872,822,212.30 - Step 5: Solve for x
x = 21,872,822,212.30/193,624.96 - Step 6: Final answer
x = 112,964.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.