Finding the Fourth Proportional to 665,391.06, 998,372.52 and 216,249.57
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Solution
The fourth proportional to 665,391.06, 998,372.52 and 216,249.57 is: 324,467.28
Step by Step Solution
- Step 1: Write the proportion equation
665,391.06 : 998,372.52 = 216,249.57 : x - Step 2: Convert to fraction form
665,391.06/998,372.52 = 216,249.57/x - Step 3: Cross multiply
665,391.06x = 998,372.52 × 216,249.57 - Step 4: Simplify right side
665,391.06x = 215,897,628,149.82 - Step 5: Solve for x
x = 215,897,628,149.82/665,391.06 - Step 6: Final answer
x = 324,467.28
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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.