Finding the Fourth Proportional to 319,695.85, 479,367.19 and 201,113.47
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Solution
The fourth proportional to 319,695.85, 479,367.19 and 201,113.47 is: 301,559.12
Step by Step Solution
- Step 1: Write the proportion equation
319,695.85 : 479,367.19 = 201,113.47 : x - Step 2: Convert to fraction form
319,695.85/479,367.19 = 201,113.47/x - Step 3: Cross multiply
319,695.85x = 479,367.19 × 201,113.47 - Step 4: Simplify right side
319,695.85x = 96,407,198,985.05 - Step 5: Solve for x
x = 96,407,198,985.05/319,695.85 - Step 6: Final answer
x = 301,559.12
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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.