Finding the Fourth Proportional to 199,750.05, 275,653.24 and 109,105.99
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Solution
The fourth proportional to 199,750.05, 275,653.24 and 109,105.99 is: 150,565.26
Step by Step Solution
- Step 1: Write the proportion equation
199,750.05 : 275,653.24 = 109,105.99 : x - Step 2: Convert to fraction form
199,750.05/275,653.24 = 109,105.99/x - Step 3: Cross multiply
199,750.05x = 275,653.24 × 109,105.99 - Step 4: Simplify right side
199,750.05x = 30,075,418,685.01 - Step 5: Solve for x
x = 30,075,418,685.01/199,750.05 - Step 6: Final answer
x = 150,565.26
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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.