Finding the Fourth Proportional to 665,473.62, 998,013.60 and 192,163.08
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Solution
The fourth proportional to 665,473.62, 998,013.60 and 192,163.08 is: 288,187.78
Step by Step Solution
- Step 1: Write the proportion equation
665,473.62 : 998,013.60 = 192,163.08 : x - Step 2: Convert to fraction form
665,473.62/998,013.60 = 192,163.08/x - Step 3: Cross multiply
665,473.62x = 998,013.60 × 192,163.08 - Step 4: Simplify right side
665,473.62x = 191,781,367,257.89 - Step 5: Solve for x
x = 191,781,367,257.89/665,473.62 - Step 6: Final answer
x = 288,187.78
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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.