Finding the Fourth Proportional to 208,862.26, 288,230.20 and 113,368.98
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Solution
The fourth proportional to 208,862.26, 288,230.20 and 113,368.98 is: 156,449.35
Step by Step Solution
- Step 1: Write the proportion equation
208,862.26 : 288,230.20 = 113,368.98 : x - Step 2: Convert to fraction form
208,862.26/288,230.20 = 113,368.98/x - Step 3: Cross multiply
208,862.26x = 288,230.20 × 113,368.98 - Step 4: Simplify right side
208,862.26x = 32,676,363,779.20 - Step 5: Solve for x
x = 32,676,363,779.20/208,862.26 - Step 6: Final answer
x = 156,449.35
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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.