Finding the Fourth Proportional to 80,212.21, 120,318.30 and 24,808.21
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Solution
The fourth proportional to 80,212.21, 120,318.30 and 24,808.21 is: 37,212.31
Step by Step Solution
- Step 1: Write the proportion equation
80,212.21 : 120,318.30 = 24,808.21 : x - Step 2: Convert to fraction form
80,212.21/120,318.30 = 24,808.21/x - Step 3: Cross multiply
80,212.21x = 120,318.30 × 24,808.21 - Step 4: Simplify right side
80,212.21x = 2,984,881,653.24 - Step 5: Solve for x
x = 2,984,881,653.24/80,212.21 - Step 6: Final answer
x = 37,212.31
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1.5x scale
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.