Finding the Fourth Proportional to 332,205.20, 498,307.80 and 121,815.80
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Solution
The fourth proportional to 332,205.20, 498,307.80 and 121,815.80 is: 182,723.70
Step by Step Solution
- Step 1: Write the proportion equation
332,205.20 : 498,307.80 = 121,815.80 : x - Step 2: Convert to fraction form
332,205.20/498,307.80 = 121,815.80/x - Step 3: Cross multiply
332,205.20x = 498,307.80 × 121,815.80 - Step 4: Simplify right side
332,205.20x = 60,701,763,303.24 - Step 5: Solve for x
x = 60,701,763,303.24/332,205.20 - Step 6: Final answer
x = 182,723.70
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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.