Finding the Fourth Proportional to 332,112.80, 498,169.20 and 219,919.70
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Solution
The fourth proportional to 332,112.80, 498,169.20 and 219,919.70 is: 329,879.55
Step by Step Solution
- Step 1: Write the proportion equation
332,112.80 : 498,169.20 = 219,919.70 : x - Step 2: Convert to fraction form
332,112.80/498,169.20 = 219,919.70/x - Step 3: Cross multiply
332,112.80x = 498,169.20 × 219,919.70 - Step 4: Simplify right side
332,112.80x = 109,557,221,013.24 - Step 5: Solve for x
x = 109,557,221,013.24/332,112.80 - Step 6: Final answer
x = 329,879.55
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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.