Finding the Fourth Proportional to 496,163.70, 744,245.55 and 355,619.70
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Solution
The fourth proportional to 496,163.70, 744,245.55 and 355,619.70 is: 533,429.55
Step by Step Solution
- Step 1: Write the proportion equation
496,163.70 : 744,245.55 = 355,619.70 : x - Step 2: Convert to fraction form
496,163.70/744,245.55 = 355,619.70/x - Step 3: Cross multiply
496,163.70x = 744,245.55 × 355,619.70 - Step 4: Simplify right side
496,163.70x = 264,668,379,217.34 - Step 5: Solve for x
x = 264,668,379,217.34/496,163.70 - Step 6: Final answer
x = 533,429.55
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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.