Finding the Fourth Proportional to 221,003.10, 330,727.05 and 202,340.70
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Solution
The fourth proportional to 221,003.10, 330,727.05 and 202,340.70 is: 302,799.11
Step by Step Solution
- Step 1: Write the proportion equation
221,003.10 : 330,727.05 = 202,340.70 : x - Step 2: Convert to fraction form
221,003.10/330,727.05 = 202,340.70/x - Step 3: Cross multiply
221,003.10x = 330,727.05 × 202,340.70 - Step 4: Simplify right side
221,003.10x = 66,919,542,805.94 - Step 5: Solve for x
x = 66,919,542,805.94/221,003.10 - Step 6: Final answer
x = 302,799.11
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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.