Finding the Fourth Proportional to 221,618.68, 332,198.08 and 103,192.64
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Solution
The fourth proportional to 221,618.68, 332,198.08 and 103,192.64 is: 154,681.89
Step by Step Solution
- Step 1: Write the proportion equation
221,618.68 : 332,198.08 = 103,192.64 : x - Step 2: Convert to fraction form
221,618.68/332,198.08 = 103,192.64/x - Step 3: Cross multiply
221,618.68x = 332,198.08 × 103,192.64 - Step 4: Simplify right side
221,618.68x = 34,280,396,878.13 - Step 5: Solve for x
x = 34,280,396,878.13/221,618.68 - Step 6: Final answer
x = 154,681.89
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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.