Finding the Fourth Proportional to 80,243.18, 110,734.23 and 44,432.42
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Solution
The fourth proportional to 80,243.18, 110,734.23 and 44,432.42 is: 61,315.99
Step by Step Solution
- Step 1: Write the proportion equation
80,243.18 : 110,734.23 = 44,432.42 : x - Step 2: Convert to fraction form
80,243.18/110,734.23 = 44,432.42/x - Step 3: Cross multiply
80,243.18x = 110,734.23 × 44,432.42 - Step 4: Simplify right side
80,243.18x = 4,920,189,815.74 - Step 5: Solve for x
x = 4,920,189,815.74/80,243.18 - Step 6: Final answer
x = 61,315.99
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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.