Finding the Fourth Proportional to 327,779.80, 491,324.10 and 187,235.80
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Solution
The fourth proportional to 327,779.80, 491,324.10 and 187,235.80 is: 280,656.28
Step by Step Solution
- Step 1: Write the proportion equation
327,779.80 : 491,324.10 = 187,235.80 : x - Step 2: Convert to fraction form
327,779.80/491,324.10 = 187,235.80/x - Step 3: Cross multiply
327,779.80x = 491,324.10 × 187,235.80 - Step 4: Simplify right side
327,779.80x = 91,993,460,922.78 - Step 5: Solve for x
x = 91,993,460,922.78/327,779.80 - Step 6: Final answer
x = 280,656.28
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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.