Finding the Fourth Proportional to 328,396.08, 453,129.84 and 190,525.08
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Solution
The fourth proportional to 328,396.08, 453,129.84 and 190,525.08 is: 262,891.69
Step by Step Solution
- Step 1: Write the proportion equation
328,396.08 : 453,129.84 = 190,525.08 : x - Step 2: Convert to fraction form
328,396.08/453,129.84 = 190,525.08/x - Step 3: Cross multiply
328,396.08x = 453,129.84 × 190,525.08 - Step 4: Simplify right side
328,396.08x = 86,332,599,016.39 - Step 5: Solve for x
x = 86,332,599,016.39/328,396.08 - Step 6: Final answer
x = 262,891.69
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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.