Finding the Fourth Proportional to 80,338.79, 120,483.86 and 24,163.98
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Solution
The fourth proportional to 80,338.79, 120,483.86 and 24,163.98 is: 36,238.65
Step by Step Solution
- Step 1: Write the proportion equation
80,338.79 : 120,483.86 = 24,163.98 : x - Step 2: Convert to fraction form
80,338.79/120,483.86 = 24,163.98/x - Step 3: Cross multiply
80,338.79x = 120,483.86 × 24,163.98 - Step 4: Simplify right side
80,338.79x = 2,911,369,583.36 - Step 5: Solve for x
x = 2,911,369,583.36/80,338.79 - Step 6: Final answer
x = 36,238.65
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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.