Finding the Fourth Proportional to 199,539.14, 275,369.84 and 108,900.92
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Solution
The fourth proportional to 199,539.14, 275,369.84 and 108,900.92 is: 150,286.45
Step by Step Solution
- Step 1: Write the proportion equation
199,539.14 : 275,369.84 = 108,900.92 : x - Step 2: Convert to fraction form
199,539.14/275,369.84 = 108,900.92/x - Step 3: Cross multiply
199,539.14x = 275,369.84 × 108,900.92 - Step 4: Simplify right side
199,539.14x = 29,988,029,060.17 - Step 5: Solve for x
x = 29,988,029,060.17/199,539.14 - Step 6: Final answer
x = 150,286.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.