Finding the Fourth Proportional to 138,803.80, 208,213.30 and 44,027.14
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Solution
The fourth proportional to 138,803.80, 208,213.30 and 44,027.14 is: 66,043.12
Step by Step Solution
- Step 1: Write the proportion equation
138,803.80 : 208,213.30 = 44,027.14 : x - Step 2: Convert to fraction form
138,803.80/208,213.30 = 44,027.14/x - Step 3: Cross multiply
138,803.80x = 208,213.30 × 44,027.14 - Step 4: Simplify right side
138,803.80x = 9,167,036,108.96 - Step 5: Solve for x
x = 9,167,036,108.96/138,803.80 - Step 6: Final answer
x = 66,043.12
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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.