Finding the Fourth Proportional to 437,120.91, 603,245.46 and 243,528.50
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Solution
The fourth proportional to 437,120.91, 603,245.46 and 243,528.50 is: 336,079.69
Step by Step Solution
- Step 1: Write the proportion equation
437,120.91 : 603,245.46 = 243,528.50 : x - Step 2: Convert to fraction form
437,120.91/603,245.46 = 243,528.50/x - Step 3: Cross multiply
437,120.91x = 603,245.46 × 243,528.50 - Step 4: Simplify right side
437,120.91x = 146,907,458,989.38 - Step 5: Solve for x
x = 146,907,458,989.38/437,120.91 - Step 6: Final answer
x = 336,079.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.