Finding the Fourth Proportional to 220,875.62, 330,658.91 and 136,364.06
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Solution
The fourth proportional to 220,875.62, 330,658.91 and 136,364.06 is: 204,142.00
Step by Step Solution
- Step 1: Write the proportion equation
220,875.62 : 330,658.91 = 136,364.06 : x - Step 2: Convert to fraction form
220,875.62/330,658.91 = 136,364.06/x - Step 3: Cross multiply
220,875.62x = 330,658.91 × 136,364.06 - Step 4: Simplify right side
220,875.62x = 45,089,991,442.77 - Step 5: Solve for x
x = 45,089,991,442.77/220,875.62 - Step 6: Final answer
x = 204,142.00
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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.