Finding the Fourth Proportional to 114,779.24, 172,227.82 and 47,361.08
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Solution
The fourth proportional to 114,779.24, 172,227.82 and 47,361.08 is: 71,065.95
Step by Step Solution
- Step 1: Write the proportion equation
114,779.24 : 172,227.82 = 47,361.08 : x - Step 2: Convert to fraction form
114,779.24/172,227.82 = 47,361.08/x - Step 3: Cross multiply
114,779.24x = 172,227.82 × 47,361.08 - Step 4: Simplify right side
114,779.24x = 8,156,895,561.25 - Step 5: Solve for x
x = 8,156,895,561.25/114,779.24 - Step 6: Final answer
x = 71,065.95
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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.