Finding the Fourth Proportional to 80,468.84, 120,725.04 and 24,310.78
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Solution
The fourth proportional to 80,468.84, 120,725.04 and 24,310.78 is: 36,472.75
Step by Step Solution
- Step 1: Write the proportion equation
80,468.84 : 120,725.04 = 24,310.78 : x - Step 2: Convert to fraction form
80,468.84/120,725.04 = 24,310.78/x - Step 3: Cross multiply
80,468.84x = 120,725.04 × 24,310.78 - Step 4: Simplify right side
80,468.84x = 2,934,919,887.93 - Step 5: Solve for x
x = 2,934,919,887.93/80,468.84 - Step 6: Final answer
x = 36,472.75
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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.