Finding the Fourth Proportional to 132,817.40, 199,226.10 and 122,679.80
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Solution
The fourth proportional to 132,817.40, 199,226.10 and 122,679.80 is: 184,019.70
Step by Step Solution
- Step 1: Write the proportion equation
132,817.40 : 199,226.10 = 122,679.80 : x - Step 2: Convert to fraction form
132,817.40/199,226.10 = 122,679.80/x - Step 3: Cross multiply
132,817.40x = 199,226.10 × 122,679.80 - Step 4: Simplify right side
132,817.40x = 24,441,018,102.78 - Step 5: Solve for x
x = 24,441,018,102.78/132,817.40 - Step 6: Final answer
x = 184,019.70
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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.