Finding the Fourth Proportional to 324,816.20, 487,307.33 and 135,213.53
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Solution
The fourth proportional to 324,816.20, 487,307.33 and 135,213.53 is: 202,854.85
Step by Step Solution
- Step 1: Write the proportion equation
324,816.20 : 487,307.33 = 135,213.53 : x - Step 2: Convert to fraction form
324,816.20/487,307.33 = 135,213.53/x - Step 3: Cross multiply
324,816.20x = 487,307.33 × 135,213.53 - Step 4: Simplify right side
324,816.20x = 65,890,541,171.57 - Step 5: Solve for x
x = 65,890,541,171.57/324,816.20 - Step 6: Final answer
x = 202,854.85
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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.