Finding the Fourth Proportional to 120,557.19, 180,847.79 and 44,675.99
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Solution
The fourth proportional to 120,557.19, 180,847.79 and 44,675.99 is: 67,018.43
Step by Step Solution
- Step 1: Write the proportion equation
120,557.19 : 180,847.79 = 44,675.99 : x - Step 2: Convert to fraction form
120,557.19/180,847.79 = 44,675.99/x - Step 3: Cross multiply
120,557.19x = 180,847.79 × 44,675.99 - Step 4: Simplify right side
120,557.19x = 8,079,553,775.66 - Step 5: Solve for x
x = 8,079,553,775.66/120,557.19 - Step 6: Final answer
x = 67,018.43
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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.