Finding the Fourth Proportional to 80,160.12, 120,256.58 and 27,562.77
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Solution
The fourth proportional to 80,160.12, 120,256.58 and 27,562.77 is: 41,349.79
Step by Step Solution
- Step 1: Write the proportion equation
80,160.12 : 120,256.58 = 27,562.77 : x - Step 2: Convert to fraction form
80,160.12/120,256.58 = 27,562.77/x - Step 3: Cross multiply
80,160.12x = 120,256.58 × 27,562.77 - Step 4: Simplify right side
80,160.12x = 3,314,604,455.53 - Step 5: Solve for x
x = 3,314,604,455.53/80,160.12 - Step 6: Final answer
x = 41,349.79
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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.