Finding the Fourth Proportional to 199,666.02, 275,536.99 and 109,021.70
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Solution
The fourth proportional to 199,666.02, 275,536.99 and 109,021.70 is: 150,448.79
Step by Step Solution
- Step 1: Write the proportion equation
199,666.02 : 275,536.99 = 109,021.70 : x - Step 2: Convert to fraction form
199,666.02/275,536.99 = 109,021.70/x - Step 3: Cross multiply
199,666.02x = 275,536.99 × 109,021.70 - Step 4: Simplify right side
199,666.02x = 30,039,511,062.68 - Step 5: Solve for x
x = 30,039,511,062.68/199,666.02 - Step 6: Final answer
x = 150,448.79
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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.