Finding the Fourth Proportional to 332,777.70, 498,464.55 and 220,511.70
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Solution
The fourth proportional to 332,777.70, 498,464.55 and 220,511.70 is: 330,302.38
Step by Step Solution
- Step 1: Write the proportion equation
332,777.70 : 498,464.55 = 220,511.70 : x - Step 2: Convert to fraction form
332,777.70/498,464.55 = 220,511.70/x - Step 3: Cross multiply
332,777.70x = 498,464.55 × 220,511.70 - Step 4: Simplify right side
332,777.70x = 109,917,265,310.24 - Step 5: Solve for x
x = 109,917,265,310.24/332,777.70 - Step 6: Final answer
x = 330,302.38
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1.5x scale
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.