Finding the Fourth Proportional to 341,728.80, 471,583.84 and 188,777.48
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Solution
The fourth proportional to 341,728.80, 471,583.84 and 188,777.48 is: 260,511.87
Step by Step Solution
- Step 1: Write the proportion equation
341,728.80 : 471,583.84 = 188,777.48 : x - Step 2: Convert to fraction form
341,728.80/471,583.84 = 188,777.48/x - Step 3: Cross multiply
341,728.80x = 471,583.84 × 188,777.48 - Step 4: Simplify right side
341,728.80x = 89,024,408,923.92 - Step 5: Solve for x
x = 89,024,408,923.92/341,728.80 - Step 6: Final answer
x = 260,511.87
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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.