Finding the Fourth Proportional to 291,704.40, 437,556.60 and 273,989.70
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Solution
The fourth proportional to 291,704.40, 437,556.60 and 273,989.70 is: 410,984.55
Step by Step Solution
- Step 1: Write the proportion equation
291,704.40 : 437,556.60 = 273,989.70 : x - Step 2: Convert to fraction form
291,704.40/437,556.60 = 273,989.70/x - Step 3: Cross multiply
291,704.40x = 437,556.60 × 273,989.70 - Step 4: Simplify right side
291,704.40x = 119,886,001,567.02 - Step 5: Solve for x
x = 119,886,001,567.02/291,704.40 - Step 6: Final answer
x = 410,984.55
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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.