Finding the Fourth Proportional to 220,988.08, 331,537.74 and 87,824.08
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Solution
The fourth proportional to 220,988.08, 331,537.74 and 87,824.08 is: 131,758.22
Step by Step Solution
- Step 1: Write the proportion equation
220,988.08 : 331,537.74 = 87,824.08 : x - Step 2: Convert to fraction form
220,988.08/331,537.74 = 87,824.08/x - Step 3: Cross multiply
220,988.08x = 331,537.74 × 87,824.08 - Step 4: Simplify right side
220,988.08x = 29,116,997,000.78 - Step 5: Solve for x
x = 29,116,997,000.78/220,988.08 - Step 6: Final answer
x = 131,758.22
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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.