Finding the Fourth Proportional to 359,720.94, 496,412.10 and 198,576.12
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Solution
The fourth proportional to 359,720.94, 496,412.10 and 198,576.12 is: 274,033.50
Step by Step Solution
- Step 1: Write the proportion equation
359,720.94 : 496,412.10 = 198,576.12 : x - Step 2: Convert to fraction form
359,720.94/496,412.10 = 198,576.12/x - Step 3: Cross multiply
359,720.94x = 496,412.10 × 198,576.12 - Step 4: Simplify right side
359,720.94x = 98,575,588,739.05 - Step 5: Solve for x
x = 98,575,588,739.05/359,720.94 - Step 6: Final answer
x = 274,033.50
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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.